A UK aid worker held hostage after being kidnapped in Afghanistan has been killed during a rescue attempt, the Foreign Office has said.
Linda Norgrove, 36, from Lewis in the Western Isles of Scotland, was employed by US aid group DAI. She was seized with three local staff on 26 September.
Their two-car convoy was ambushed in the eastern province of Kunar.
Ms Norgrove was killed by her captors on Friday during a rescue mission by US forces.
Her colleagues were released unharmed last week.
The Briton is believed to have been taken by her captors from village to village as British, Afghan and other intelligence agencies worked in the remote and mountainous area of Kunar province to locate her.
Both the prime minister and Foreign Secretary William Hague were kept fully informed and British approval was given for a rescue mission to be mounted on Friday night, involving US forces with British officials offering advice.
In a statement, Mr Hague said the aid worker was "killed at the hands of her captors in the course of a rescue attempt".
He said: "Working with our allies we received information about where Linda was being held and we decided that, given the danger she was facing, her best chance of safe release was to act on that information.
"Responsibility for this tragic outcome rests squarely with the hostage takers....