British Prime Minister David Cameron said Monday that British aid worker Linda Norgrove may have been killed by a grenade lobbed by a member of the US special forces rescue team.
Cameron said he informed Norgrove's family of the "deeply distressing development," and defended the decision to attempt the risky rescue mission.
"We were clear that Linda's life was in grave danger and the operation offered the best chance of saving her life," Cameron told reporters in London.
Norgrove, 36, was killed Friday in the raid by US forces in Afghanistan's eastern Kunar province, after she and three colleagues were kidnapped two weeks earlier. NATO initially said Norgrove died when captors detonated a bomb as NATO forces attempted to free her.