Hundreds of Afghan troops and Nato peacekeepers are guarding the capital today, following riots sparked by a deadly traffic accident involving US troops.

A traffic accident involving US troops sparked the worst riot in the Afghan capital since the fall of the Taliban regime, which left at least five dead and 60 injured.

US and Afghan security forces fired on protesters in the Afghan capital after a riot erupted today because of a deadly traffic accident involving US troops, and at least four people were killed, police and witnesses said.