June 6, 2023 Russia-Ukraine news

By Tara Subramaniam, Jessie Yeung, Sana Noor Haq, Sebastian Shukla, Schams Elwazer, Caolán Magee, Aditi Sangal, Adrienne Vogt, Elise Hammond, Maureen Chowdhury and Tori B. Powell, CNN

Updated 12:01 a.m. ET, June 7, 2023
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10:30 a.m. ET, June 6, 2023

Residents are being urged to evacuate after a breached dam in southern Ukraine. Here's what we know so far

From CNN staff

Damage to the Nova Kakhovka dam in southern Ukraine is seen in a screengrab from a social media video.
Damage to the Nova Kakhovka dam in southern Ukraine is seen in a screengrab from a social media video. Telegram/@DDGeopolitics

A major dam and hydro-electric power plant in Russian-occupied southern Ukraine was destroyed early Tuesday, prompting mass evacuations and fears for large-scale devastation as Ukraine accused Moscow’s forces of committing an act of “ecocide.”

Residents downstream from the Nova Kakhova dam on the Dnipro River in Kherson were told to “do everything you can to save your life,” according to the head of Ukraine’s Kherson regional military administration, as video showed a deluge of water gushing from a huge breach in the dam.

Here's what we know:

  • What happened: According to Ukraine's military intelligence, the dam was blown up by Russian forces "in panic." Two videos posted to social media and geolocated by CNN showed the destroyed dam wall and fast-moving torrents of water flowing out into the river. Multiple buildings at the entrance to the dam were also heavily damaged. The Russian-installed mayor of Nova Kakhovka initially denied the dam had collapsed, but then said it was struck in a "serious terrorist attack," before he later confirmed repairing it "is not possible now."
  • Major infrastructure: The critical dam spanned the Dnipro River, a major waterway running through southeastern Ukraine. There are multiple towns and cities downstream, including Kherson, a city of some 300,000 people before Moscow’s invasion of its neighbor.
  • Evacuations ongoing: In a video statement posted on Telegram, Oleksandr Prokudin, the Ukraine-appointed head of the Kherson regional military administration, said the water "will reach critical level" in a matter of hours. Prokudin said evacuations in the “area of danger” around the dam had started and urged citizens: "Leave the dangerous areas immediately."
  • Ukraine blames Russia: Mykhailo Podolyak, a senior aide to Ukrainian President Volodymyr Zelensky, said the dam’s destruction would “create obstacles" for Ukrainian offensives. “This once again confirms that the Kremlin is not thinking strategically, but rather in terms of short-term situational advantages. But the consequences are already catastrophic,” he told CNN.
  • Downplayed threat: Andrey Alekseenko, another Russian-installed Kherson official, played down the threat, however. "There is no threat to people’s lives," Alekseenko said, adding that Ministry of Emergency Situation staff are in control of water levels in the Dnipro River. “If necessary, we are ready to evacuate the residents of embankment villages, buses are prepared,” Alekseenko added.
  • Ecological impact: Ukraine's Prime Minister Denys Shmyhal said the destroyed dam "threatens an environmental disaster" for the south of Ukraine, while another top Ukrainian official called the destruction "ecocide."
  • EU condemnation: European Council President Charles Michel appeared to blame Russia. “Shocked by the unprecedented attack of the Nova Kakhovka dam,” he said on Twitter. “The destruction of civilian infrastructure clearly qualifies as a war crime — and we will hold Russia and its proxies accountable.” 
  • Nuclear watch: The International Atomic Energy Agency said its experts are "closely monitoring the situation" and there is "no immediate nuclear safety risk" at the Zaporizhzhia nuclear power plant, which lies upstream from the destroyed dam and is also under Russian control.
10:30 a.m. ET, June 6, 2023

Ukrainian military intelligence claims Russian forces blew up Nova Kakhovka dam in "panic"

From CNN’s Olga Voitovych in Kyiv and Sophie Jeong

Russian forces blew up the Nova Kakhovka dam “in panic,” according to a statement Tuesday from the intelligence department of Ukraine's Ministry of Defense.

“The occupiers blew up the Kakhovka Reservoir dam in panic — this is an obvious terrorist attack and war crime that will become evidence in an international tribunal,” the statement on the Defense Intelligence's Telegram channel said.

 “This terrorist act is a sign of the Putin regime's panic,” the statement continued.

The destruction of the dam created a “deadly danger” for Ukrainian citizens in the settlements on both banks of the Dnipro River. It also "affects the ecosystem of the entire Black Sea region" and increases the threat of a “nuclear catastrophe," Defense Intelligence said.

10:30 a.m. ET, June 6, 2023

European Council president appears to blame Russia for Nova Kakhovka dam breach

From CNN's Amy Cassidy in London and Olga Voitovych in Kyiv

Charles Michel speaks in Cholpon-Ata, near the Issyk-Kul lake, Kyrgyzstan, on June 3.
Charles Michel speaks in Cholpon-Ata, near the Issyk-Kul lake, Kyrgyzstan, on June 3. Vladimir Voronin/AP

The president of the European Council appeared to blame Russia for the destruction of the Nova Kakhovka dam in southern Ukraine, writing on Twitter that “Russia and its proxies” will be held accountable. 

“Shocked by the unprecedented attack of the Nova Kakhovka dam,” said Charles Michel. “The destruction of civilian infrastructure clearly qualifies as a war crime — and we will hold Russia and its proxies accountable.” 

The incident — for which Russia and Ukraine have blamed each other — will be raised at the next EU Council summit in Brussels, where “more assistance to the flooded areas” will be proposed, he said.

“My thoughts with all the families in Ukraine affected by this catastrophe," he added.

Thousands in danger: Ukraine's Minister of Foreign Affairs, Dmytro Kuleba, wrote on Twitter that the destruction of the dam is "putting thousands of civilians at risk," and is a "heinous war crime."

Meanwhile, a senior Russian official called the incident “a serious terrorist act," after initially denying the dam's collapse.

10:30 a.m. ET, June 6, 2023

Water in Kakhovka Reservoir will soon reach "critical level," says Ukrainian official 

From CNN’s Olga Yoitovych in Kyiv and Sophie Jeong in Hong Kong

Water at the destroyed Nova Kakhovka dam will “reach a critical level” in five hours (around 7:30 a.m. ET), a senior Ukrainian official said on Tuesday.

“The water in the reservoir is falling rapidly, about 15 centimeters (5.9 inches) per hour. In five hours the water will reach a critical level,” Mykhailo Podolyak, an adviser to the head of the Ukrainian President’s Office, told CNN.

Ukraine's military has blamed Russia for blowing up the dam, while a senior Russia-installed official said its destruction was "a serious terrorist attack." The dam supplies water for much of southeastern Ukraine and the Crimean peninsula which was annexed by Russia in 2014.

"Catastrophic" consequences: On Tuesday, Podolyak claimed Russia’s goal was to create obstacles for Ukraine’s offensive actions, and the consequences of the dam's destruction are “already catastrophic.”

“Russians deliberately hit the residents of the occupied Crimea. They exchanged them for certain opportunities to deter the offensive. The peninsula may be left without water supply for many years,” Podolyak said. 

He also said that thousands or even tens of thousands of residents of the surrounding settlements are subject to urgent evacuation, and hundreds of homes and farms will be flooded. 

He called the incident a "global ecological disaster,” warning that various animals and ecosystems will come under threat in the following hours.

10:30 a.m. ET, June 6, 2023

Dam and hydroelectric plant "totally destroyed" as a result of explosion, Ukrainian energy operator says

From CNN's Olga Yoitovych in Kyiv and Irene Nasser

A satellite image shows Nova Kakhovka Dam in Kherson region, Ukraine on June 5.
A satellite image shows Nova Kakhovka Dam in Kherson region, Ukraine on June 5. Maxar Technologies/

The Nova Kakhovka dam and hydroelectric plant was "totally destroyed as a result of the explosion of the engine room from the inside," said Ukraine's main hydropower generating company Ukrhydroenergo on Tuesday.

Ukrhydroenergo said the plant "cannot be restored" and claimed "Russian forces blew up" the dam overnight.

Authorities are racing to evacuate residents from flood zones and gauge the level of damage.

Water levels are rapidly lowering and the reservoir is expected to be drained within the next four days, the company said.

Impact at the nuclear plant: Ukrhydroenergo also said in a statement that "the uncontrolled decline in the reservoir level is an additional threat to the temporarily occupied Zaporizhzhia (nuclear power plant)."

The plant, Europe’s largest nuclear power station, is held by Russian forces but mostly operated by a Ukrainian workforce.

The statement said the power plant uses water from the reservoir for turbine condensers and safety systems, with the cooling pond "now full." Ukrainian staff at the power plant "are monitoring all indicators," it said.

10:30 a.m. ET, June 6, 2023

Destruction of dam "threatens environmental disaster," says Ukrainian Prime Minister

From CNN's Olga Yoitovych in Kyiv and Irene Nasser

Denys Shmyhal addresses a press conference in Reykjavik, Iceland, on May 17.
Denys Shmyhal addresses a press conference in Reykjavik, Iceland, on May 17. Halldor Kolbeins/AFP/Getty Images

The destruction of the Nova Kakhovka dam "threatens an environmental disaster" for the south of Ukraine, said the country's Prime Minister Denys Shmyhal on Tuesday.

"The world must respond. Immediately. But not just with words, but with actions," Shmyhal said. 

Earlier Tuesday morning, another top Ukrainian official called the destruction of the dam "ecocide" that will have consequences on people's access to drinking water and various ecosystems.

Evacuations: Shmyhal added that residents of the flooded areas are being evacuated, with operations "underway from the Ostriv microdistrict in Kherson city." Evacuation trains to the southern city Mykolaiv are also being arranged, he said.

Ukrainian President Volodymyr Zelensky has convened a National Security and Defense Council meeting, Shmyhal said, adding that another meeting on environmental safety and emergency response would be held next.

Zaporizhzhia nuclear power plant: Shmyhal also said authorities were "assessing the environmental impact and the threat" to the Zaporizhzhia nuclear power plant, which lies upstream from the dam.

"Due to the lack of access to it, such an assessment is difficult," Shmyhal said, adding that Russia "must immediately withdraw from" the plant to "avoid further disaster." 

Ukraine’s nuclear agency Energoatom said the destruction of the dam may have negative consequences on the nuclear power plant but the situation is under control.

10:30 a.m. ET, June 6, 2023

Russian-installed mayor of Nova Kakhovka says repair of destroyed damn "not possible now"

From CNN's Josh Pennington

Repairing the destroyed Nova Kakhovka dam "is not possible now," Vladimir Leontiev, the Russia-installed mayor of Nova Kakhovka said Tuesday, according to Russian state media RIA Novosti.

Leontiev said earlier Tuesday that strikes overnight destroyed the "gate valves" of the dam.

Drone video shows a deluge of water gushing from a sizeable breach. The dam holds around 18 cubic kilometers of water in the Kakhovka Reservior, about equal to the Great Salt Lake in the US state of Utah, according to Reuters news agency.

10:30 a.m. ET, June 6, 2023

Water from destroyed dam will be "critically high" in hours, Ukrainian official says

From CNN's Olga Yoitovych in Kyiv and Irene Nasser

A satellite image shows Nova Kakhovka Dam in Kherson region, Ukraine on May 28.
A satellite image shows Nova Kakhovka Dam in Kherson region, Ukraine on May 28. Maxar Technologies/Reuters

Water levels from the destroyed Nova Kakhovka dam are expected to reach "critically high" levels by about 11:00 a.m. local time (4:00 a.m. ET), Oleksandr Samoylenko, head of Kherson’s regional council said on national television. 

"The water is rising. We see partial flooding of settlements. Indeed, the river flow has increased," Samoylenko said. 

Kherson city will be particularly impacted, Samoylenko said, noting that some parts in the lowlands of the Dnipro and Inhulets rivers will also be affected. 

Samoylenko added that hospitals are on alert and anyone who needs to be evacuated will be.

Some context: The critical Nova Kakhova dam spans the Dnipro River, a major waterway running through southeastern Ukraine. There are multiple towns and cities downstream, including Kherson, a city of some 300,000 people before Moscow’s invasion of its neighbor.

10:30 a.m. ET, June 6, 2023

"No immediate nuclear safety risk" at Zaporizhzhia plant, UN watchdog says

From CNN's Sarita Harilela

The Zaporizhzhia nuclear power plant in the southern Zaporizhzhia region, Ukraine, on March 29.
The Zaporizhzhia nuclear power plant in the southern Zaporizhzhia region, Ukraine, on March 29. Alexander Ermochenko/Reuters

The International Atomic Energy Agency said Tuesday that its experts are "closely monitoring the situation" and there is "no immediate nuclear safety risk" at the Zaporizhzhia nuclear power plant following the destruction of a major nearby dam.

The Nova Kakhovka dam in the Kherson region supplied water for much of southeastern Ukraine, including the Zaporizhzhia nuclear plant, which lies upstream and is also under Russian control.

Meanwhile, Ukraine’s nuclear agency said Tuesday that the dam's destruction may have negative consequences for the nuclear plant, but the situation is under control.

“The water from the Kakhovka reservoir is needed for the plant to receive replenishment for turbine condensers and safety systems of the ZNPP,” Energoatom said in a statement on Telegram. “The cooling pond is now full: as of 8:00 am [local time], the water level is 16.6 meters, which is sufficient for the plant's needs.”

A spokesperson for Ukraine’s military also said Tuesday that the situation at the plant is "under control."

Ukraine has blamed Russia for blowing up the dam, while a senior Russia-installed official said its destruction was "a serious terrorist attack."