As Russian troops stage drills nearby, Ukraine leader says peace is still possible

Greg Botelho, Marie-Louise Gumuchian and Nick Paton Walsh, CNN
Updated 10:21 PM EDT, Thu March 13, 2014
Ukrainian tanks are transported from their base in Perevalne, Crimea, on Wednesday, March 26. After Russian troops seized most of Ukraine's bases in Crimea, interim Ukrainian President Oleksandr Turchynov ordered the withdrawal of armed forces from the peninsula, citing Russian threats to the lives of military staff and their families.
Crisis in Ukraine —
Ukrainian tanks are transported from their base in Perevalne, Crimea, on Wednesday, March 26. After Russian troops seized most of Ukraine's bases in Crimea, interim Ukrainian President Oleksandr Turchynov ordered the withdrawal of armed forces from the peninsula, citing Russian threats to the lives of military staff and their families.
Pavel Golovkin/aP
Ukrainian marines wave as they leave a base in Feodosia, Crimea, on Tuesday, March 25.
Crisis in Ukraine —
Ukrainian marines wave as they leave a base in Feodosia, Crimea, on Tuesday, March 25.
Valeriy Kulyk/AP
Russian sailors stand on the deck of the corvette ship Suzdalets in the bay of Sevastopol, Crimea, on March 25.
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Russian sailors stand on the deck of the corvette ship Suzdalets in the bay of Sevastopol, Crimea, on March 25.
VIKTOR DRACHEV/AFP/Getty Images
Pro-Russian militia members remove a local resident as Russian troops assault the Belbek air base, outside Sevastopol, on Saturday, March 22. Following its annexation of Crimea, Russian forces have consolidated their control of the region.
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Pro-Russian militia members remove a local resident as Russian troops assault the Belbek air base, outside Sevastopol, on Saturday, March 22. Following its annexation of Crimea, Russian forces have consolidated their control of the region.
Ivan Sekretarev/AP
Soldiers in unmarked uniforms sit atop an armored personnel carrier at the gate of the Belbek air base on March 22.
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Soldiers in unmarked uniforms sit atop an armored personnel carrier at the gate of the Belbek air base on March 22.
Ivan Sekretarev/AP
A Russian sailor holds the Russian Navy's St. Andrew's flag while standing on the bow of the surrendered Ukrainian submarine Zaporozhye on March 22 in Sevastopol.
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A Russian sailor holds the Russian Navy's St. Andrew's flag while standing on the bow of the surrendered Ukrainian submarine Zaporozhye on March 22 in Sevastopol.
SERGEI ILNITSKY/EPA /LANDOV
Russian President Vladimir Putin signs the final decree completing the annexation of Crimea on Friday, March 21, as Upper House Speaker Valentina Matviyenko, left, and State Duma Speaker Sergei Naryshkin watch.
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Russian President Vladimir Putin signs the final decree completing the annexation of Crimea on Friday, March 21, as Upper House Speaker Valentina Matviyenko, left, and State Duma Speaker Sergei Naryshkin watch.
Sasha Mordovets/Getty Images
A Ukrainian serviceman leaves a Ukrainian military unit that Russian soldiers took control of in Perevalne on March 21.
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A Ukrainian serviceman leaves a Ukrainian military unit that Russian soldiers took control of in Perevalne on March 21.
YURI KOCHETKOV/EPA/LANDOV
Ukrainian border guards run during training at a military camp in Alekseyevka, Ukraine, on March 21.
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Ukrainian border guards run during training at a military camp in Alekseyevka, Ukraine, on March 21.
Sergei Grits/AP
Russian soldiers patrol the area surrounding a Ukrainian military unit in Perevalne on Thursday, March 20.
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Russian soldiers patrol the area surrounding a Ukrainian military unit in Perevalne on Thursday, March 20.
FILIPPO MONTEFORTE/AFP/Getty Images
Pro-Russian protesters remove the gate to the Ukrainian navy headquarters as Russian troops stand guard in Sevastopol on Wednesday, March 19.
Crisis in Ukraine —
Pro-Russian protesters remove the gate to the Ukrainian navy headquarters as Russian troops stand guard in Sevastopol on Wednesday, March 19.
Vasiliy BATANOV/AFP/Getty Images
Pro-Russian forces walk inside the Ukrainian navy headquarters in Sevastopol on March 19.
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Pro-Russian forces walk inside the Ukrainian navy headquarters in Sevastopol on March 19.
Andrew Lubimov/AP
A member of pro-Russian forces takes down a Ukrainian flag at the Ukrainian navy headquarters in Sevastopol on March 19.
Crisis in Ukraine —
A member of pro-Russian forces takes down a Ukrainian flag at the Ukrainian navy headquarters in Sevastopol on March 19.
Andrew Lubimov/AP
Alexander Vitko, chief of the Russian Black Sea Fleet, leaves the Ukrainian navy headquarters in Sevastopol after pro-Russian forces took it over on March 19.
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Alexander Vitko, chief of the Russian Black Sea Fleet, leaves the Ukrainian navy headquarters in Sevastopol after pro-Russian forces took it over on March 19.
Andrew Lubimov/AP
A Russian flag waves as workers install a new sign on a parliament building in Simferopol, Crimea's capital, on March 19.
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A Russian flag waves as workers install a new sign on a parliament building in Simferopol, Crimea's capital, on March 19.
Vadim Ghidra/AP
Russian military personnel surround a Ukrainian military base in Perevalne on March 19.
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Russian military personnel surround a Ukrainian military base in Perevalne on March 19.
Dan Kitwood/Getty Images
Nameplates on the front of the Crimean parliament building get removed Tuesday, March 18, in Simferopol.
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Nameplates on the front of the Crimean parliament building get removed Tuesday, March 18, in Simferopol.
Bulent Doruk/Anadolu Agency/Getty Images
From left, Crimean Prime Minister Sergey Aksyonov; Vladimir Konstantinov, speaker of the Crimean parliament; Russian President Vladimir Putin; and Alexei Chaly, the new de facto mayor of Sevastopol, join hands in Moscow on March 18 after signing a treaty to make Crimea part of Russia.
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From left, Crimean Prime Minister Sergey Aksyonov; Vladimir Konstantinov, speaker of the Crimean parliament; Russian President Vladimir Putin; and Alexei Chaly, the new de facto mayor of Sevastopol, join hands in Moscow on March 18 after signing a treaty to make Crimea part of Russia.
YEKATERINA SHTUKINA/AFP/Getty Images
Demonstrators hold a Crimean flag at Lenin Square in Simferopol on March 18.
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Demonstrators hold a Crimean flag at Lenin Square in Simferopol on March 18.
FILIPPO MONTEFORTE/AFP/Getty Images
Ukrainian soldiers stand guard at a checkpoint near Strilkove, Ukraine, close to Crimea on Monday, March 17.
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Ukrainian soldiers stand guard at a checkpoint near Strilkove, Ukraine, close to Crimea on Monday, March 17.
IVAN BOBERSKYY/EPA/LANDOV
Former boxer and Ukrainian politician Vitali Klitschko addresses reporters in Kiev, Ukraine, on March 17.
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Former boxer and Ukrainian politician Vitali Klitschko addresses reporters in Kiev, Ukraine, on March 17.
Artyom Geodakyan/ITAR-TASS/Landov
Ukrainian troops stand guard in front of the Ukrainian Parliament building in Kiev on March 17.
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Ukrainian troops stand guard in front of the Ukrainian Parliament building in Kiev on March 17.
SERGEI SUPINSKY/AFP/Getty Images
A Ukrainian man applies for the National Guard at a mobile recruitment center in Kiev on March 17.
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A Ukrainian man applies for the National Guard at a mobile recruitment center in Kiev on March 17.
ROBERT GHEMENT/EPA/LANDOV
Civilians walk past riot police in Simferopol on March 17.
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Civilians walk past riot police in Simferopol on March 17.
Dan Kitwood/Getty Images
A Ukrainian soldier stands on top of an armored vehicle at a military camp near the village of Michurino, Ukraine, on March 17.
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A Ukrainian soldier stands on top of an armored vehicle at a military camp near the village of Michurino, Ukraine, on March 17.
Sergei Grits/AP
Policemen stand guard outside the regional state administration building in Donetsk, Ukraine, during a rally by pro-Russia activists March 17.
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Policemen stand guard outside the regional state administration building in Donetsk, Ukraine, during a rally by pro-Russia activists March 17.
KHUDOTEPLY/AFP/Getty Images
Armed soldiers stand guard outside a Ukrainian military base in Perevalne on March 17.
Crisis in Ukraine —
Armed soldiers stand guard outside a Ukrainian military base in Perevalne on March 17.
Spencer Platt/Getty Images
A man holds a Crimean flag as he stands in front of the Crimean parliament building in Simferopol on March 17.
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A man holds a Crimean flag as he stands in front of the Crimean parliament building in Simferopol on March 17.
DIMITAR DILKOFF/AFP/Getty Images
Crimeans holding Russian flags celebrate in front of the parliament building in Simferopol on Sunday, March 16.
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Crimeans holding Russian flags celebrate in front of the parliament building in Simferopol on Sunday, March 16.
XINHUA /LANDOV
A Ukrainian police officer tries to shield himself from a road block thrown by pro-Russia supporters in Kharkiv, Ukraine, on March 16.
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A Ukrainian police officer tries to shield himself from a road block thrown by pro-Russia supporters in Kharkiv, Ukraine, on March 16.
Sergei Chuzavkov/AP
Pro-Russia demonstrators storm the prosecutor general's office during a rally in Donetsk on March 16.
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Pro-Russia demonstrators storm the prosecutor general's office during a rally in Donetsk on March 16.
Andrey Basevich/AP
A child casts her mother's ballot March 16 while holding a Russian flag at a polling station in Simferopol.
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A child casts her mother's ballot March 16 while holding a Russian flag at a polling station in Simferopol.
VIKTOR DRACHEV/AFP/Getty Images
A pro-Russian soldier, with the Russian flag behind him, mans a machine gun outside an Ukrainian military base in Perevalne on Saturday, March 15.
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A pro-Russian soldier, with the Russian flag behind him, mans a machine gun outside an Ukrainian military base in Perevalne on Saturday, March 15.
Vadim Ghirda/AP
A pro-Russian soldier guards the perimeter outside an Ukrainian military base in Perevalne on March 15.
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A pro-Russian soldier guards the perimeter outside an Ukrainian military base in Perevalne on March 15.
Vadim Ghirda/AP
Russian flags wave in front of a monument dedicated to Soviet Union founder Vladimir Lenin during a pro-Russia rally in Simferopol's Lenin Square on March 15.
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Russian flags wave in front of a monument dedicated to Soviet Union founder Vladimir Lenin during a pro-Russia rally in Simferopol's Lenin Square on March 15.
Dan Kitwood/Getty Images
Evgenyi Batyukhov cries March 14 at the site where pro-Russian and pro-Ukrainian activists clashed the night before in Donetsk, Ukraine.
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Evgenyi Batyukhov cries March 14 at the site where pro-Russian and pro-Ukrainian activists clashed the night before in Donetsk, Ukraine.
Sergei Grits/AP
A line of policemen stand in front of a bus of pro-Ukrainian activists as pro-Russian supporters confront them during a rally in Donetsk on Thursday, March 13.
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A line of policemen stand in front of a bus of pro-Ukrainian activists as pro-Russian supporters confront them during a rally in Donetsk on Thursday, March 13.
Alexander KHUDOTEPLY/AFP/Getty Images
Pro-Russian supporters clash with pro-Ukrainian activists in Donetsk on March 13.
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Pro-Russian supporters clash with pro-Ukrainian activists in Donetsk on March 13.
Alexander KHUDOTEPLY/AFP/Getty Images
Recent Academy Award winner Jared Leto walks through Independence Square in Kiev on March 13. During his Oscars acceptance speech in early March, the actor spoke to protesters in Ukraine and Venezuela saying, "We're thinking of you tonight."
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Recent Academy Award winner Jared Leto walks through Independence Square in Kiev on March 13. During his Oscars acceptance speech in early March, the actor spoke to protesters in Ukraine and Venezuela saying, "We're thinking of you tonight."
Sergey Starostenko/Kommersant Photo via Getty Images
A member of a pro-Russian self-defense unit checks a polling station near Simferopol on March 13.
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A member of a pro-Russian self-defense unit checks a polling station near Simferopol on March 13.
Manu Brabo/AP
A Ukrainian soldier looks out of the window of a regional military building with a poster reading "Ukraine's armed forces wait for you!" in Donetsk on March 13.
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A Ukrainian soldier looks out of the window of a regional military building with a poster reading "Ukraine's armed forces wait for you!" in Donetsk on March 13.
Sergei Grits/AP
An armed Cossack stands guard at a checkpoint on the road from Simferopol to Sevastopol on March 13.
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An armed Cossack stands guard at a checkpoint on the road from Simferopol to Sevastopol on March 13.
FILIPPO MONTEFORTE/AFP/Getty Images
A pro-Russian soldier speaks to a truck driver outside the Ukrainian infantry base in Perevalne on Wednesday, March 12.
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A pro-Russian soldier speaks to a truck driver outside the Ukrainian infantry base in Perevalne on Wednesday, March 12.
Vadim Ghirda/AP
Cossacks stand guard at Crimea's regional parliament building in Simferopol on March 12.
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Cossacks stand guard at Crimea's regional parliament building in Simferopol on March 12.
FILIPPO MONTEFORTE/AFP/Getty Images
Soldiers are seen aboard the Ukrainian ship Slavutych in the harbor of Sevastopol on Tuesday, March 11.
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Soldiers are seen aboard the Ukrainian ship Slavutych in the harbor of Sevastopol on Tuesday, March 11.
FILIPPO MONTEFORTE/AFP/Getty Images
Ukrainian naval officers board a boat in front of the Russian minesweeper Turbinist in Sevastopol's harbor on March 11.
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Ukrainian naval officers board a boat in front of the Russian minesweeper Turbinist in Sevastopol's harbor on March 11.
FILIPPO MONTEFORTE/AFP/Getty Images
People shout slogans during a pro-Russia rally in Donetsk on Sunday, March 9.
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People shout slogans during a pro-Russia rally in Donetsk on Sunday, March 9.
Sergei Grits/AP
Ukrainian police detain a demonstrator during a pro-Russian rally in Donetsk on March 9.
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Ukrainian police detain a demonstrator during a pro-Russian rally in Donetsk on March 9.
Sergei Grits/AP
Pro-Russia protesters remove a Ukrainian flag from a flagpole taken from a government building in Donetsk on March 9.
Crisis in Ukraine —
Pro-Russia protesters remove a Ukrainian flag from a flagpole taken from a government building in Donetsk on March 9.
Sergei Grits/AP
Cossacks and other pro-Russian forces stand guard outside a government building in Simferopol on Saturday, March 8.
Crisis in Ukraine —
Cossacks and other pro-Russian forces stand guard outside a government building in Simferopol on Saturday, March 8.
Manu Brabo/AP
Ukrainian soldiers load armored personnel carriers into boxcars in the western Ukrainian city of Lviv on March 8.
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Ukrainian soldiers load armored personnel carriers into boxcars in the western Ukrainian city of Lviv on March 8.
YURIY DYACHYSHYN/AFP/Getty Images
Armed men believed to be Russian military march in a village outside Simferopol on Friday, March 7.
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Armed men believed to be Russian military march in a village outside Simferopol on Friday, March 7.
MAXIM SHIPENKOV/EPA/LANDOV
Pro-Russia protesters demonstrate outside the Belbek air base, near Sevastopol, on Thursday, March 6.
Crisis in Ukraine —
Pro-Russia protesters demonstrate outside the Belbek air base, near Sevastopol, on Thursday, March 6.
FILIPPO MONTEFORTE/AFP/Getty Images
A Ukrainian navy officer looks at the scuttled, decommissioned Russian vessel Ochakov from the Black Sea shore outside the town of Myrnyi, Ukraine, on March 6. Russian naval personnel scuttled the ship, blockading access for five Ukrainian naval vessels.
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A Ukrainian navy officer looks at the scuttled, decommissioned Russian vessel Ochakov from the Black Sea shore outside the town of Myrnyi, Ukraine, on March 6. Russian naval personnel scuttled the ship, blockading access for five Ukrainian naval vessels.
Darko Vojinovic/AP
A member of the Russian military patrols around Perevalne on March 6.
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A member of the Russian military patrols around Perevalne on March 6.
Maxppp/Landov
Servicemen guard a checkpoint at a Ukrainian navy base in Perevalne on March 6.
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Servicemen guard a checkpoint at a Ukrainian navy base in Perevalne on March 6.
Stanislav Krasilnikov/ITAR-TASS/Landov
Ukrainian troops guard the Belbek air base on March 6.
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Ukrainian troops guard the Belbek air base on March 6.
ZURAB KURTSIKIDZE/EPA/LANDOV
A woman walks past barricades March 6 that were set up by anti-government protesters in Kiev's Independence Square.
Crisis in Ukraine —
A woman walks past barricades March 6 that were set up by anti-government protesters in Kiev's Independence Square.
Emilio Morenatti/AP
A sailor guards the Ukrainian Navy ship Slavutych in the Bay of Sevastopol on Wednesday, March 5.
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A sailor guards the Ukrainian Navy ship Slavutych in the Bay of Sevastopol on Wednesday, March 5.
VIKTOR DRACHEV/AFP/Getty Images
People wait in line for food distribution in Independence Square on March 5.
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People wait in line for food distribution in Independence Square on March 5.
DIMITAR DILKOFF/AFP/Getty Images
Ukrainian sailors carry meat to their vessel in the Sevastopol harbor on March 5.
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Ukrainian sailors carry meat to their vessel in the Sevastopol harbor on March 5.
courtesy Denis Sinyakov
Riot police stand at the entrance of a regional administrative building during a rally in Donetsk on March 5.
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Riot police stand at the entrance of a regional administrative building during a rally in Donetsk on March 5.
Sergei Chuzavkov/AP
A Ukrainian police officer gives instructions to members of the media in front of the business class lounge of the Simferopol airport on March 5.
Crisis in Ukraine —
A Ukrainian police officer gives instructions to members of the media in front of the business class lounge of the Simferopol airport on March 5.
Darko Vojinovic/AP
Pro-Russia demonstrators wave a Russian flag after storming a regional administrative building in Donetsk on March 5.
Crisis in Ukraine —
Pro-Russia demonstrators wave a Russian flag after storming a regional administrative building in Donetsk on March 5.
Sergei Chuzavkov/AP
Demonstrators break a police barrier as they storm a regional administrative building in Donetsk on March 5.
Crisis in Ukraine —
Demonstrators break a police barrier as they storm a regional administrative building in Donetsk on March 5.
Sergei Chuzavkov/AP
Ukrainian military recruits line up to receive instructions in Kiev's Independence Square on Tuesday, March 4.
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Ukrainian military recruits line up to receive instructions in Kiev's Independence Square on Tuesday, March 4.
Emilio Morenatti/AP
People stand on the Ukrainian Navy ship Slavutych while it's at harbor in Sevastopol on March 4. Mattresses were placed over the side of the ship to hinder any attempted assault.
Crisis in Ukraine —
People stand on the Ukrainian Navy ship Slavutych while it's at harbor in Sevastopol on March 4. Mattresses were placed over the side of the ship to hinder any attempted