LONDON, England (CNN) -- Four British soldiers died Wednesday in Afghanistan, bringing the number of international troops killed since Friday in the war-torn country to 11.
Three British soldiers under NATO command were killed in an explosion in the southern part of the country, and a British Royal Marine died as a result of wounds sustained during a NATO-led patrol on Monday, the British Defense Ministry in London said.
The British Defense Ministry said the three soldiers, from 1st Battalion The Rifles, died from wounds suffered in an "enemy explosion during an escort operation in the Gereshk district of Helmand province."
"Today has been incredibly sad for the whole of Task Force Helmand, and particularly for The Rifles," Task Force Helmand spokeswoman Cmdr. Paula Rowe said in a written statement.
"We will all feel the loss of these brave soldiers, whose role was to build the capacity of the Afghan National Army. But it is their family, friends and loved ones, as well as the men and women who served alongside them, who feel the greatest pain, and we offer them our deepest and heartfelt condolences, thoughts and prayers."
The Royal Marine who was wounded Monday had been returned to England for medical treatment but died in Selly Oak Hospital in Birmingham, the Defense Ministry said.
He was wounded by "enemy fire whilst on a reassurance patrol in near Sangin in Northern Helmand," it said.
Four coalition members and an Afghan civilian working with the coalition were killed Tuesday in southern Afghanistan when their vehicle struck an improvised explosive device. The Taliban claimed responsibility for the attack.
On Friday, three American troops were killed by a roadside bomb and subsequent small arms fire during a combat reconnaissance patrol in Uruzgan province in southern Afghanistan.
Meanwhile, in the southern Afghan city of Kandahar, a civilian was killed Wednesday when a remote-controlled bomb attached to a motorbike exploded as an Afghan army convoy passed, police said. Two children and three Afghan soldiers were wounded in the blast, police said.