All Nato combat forces are due to leave Afghanistan by the end of the year (Image by Unknown Owner) Details DMCA | Five American soldiers have been killed accidentally by their own side in southern Afghanistan, US military sources confirm. The incident, which happened on Monday, is among the most serious cases of so-called "friendly fire" in Afghanistan, where Nato-led troops have been battling Taliban and other insurgents since 2001. A statement from international forces in Kabul said: "Tragically there is the possibility that fratricide may have been involved." |