- Relations between Western forces and Afghan civilians have been strained in the last year after soldiers burned copies of the Koran at a NATO base and a U.S. soldier was accused of killed 16 civilians in a rampage in March.
- A video also emerged depicting U.S. marines urinating on corpses.
- Relations between Western troops and Afghan forces have also deteriorated after a series of "insider" attacks against NATO coalition troops by Afghan soldiers or by militants wearing Afghan military uniform.
Five Royal Marines have been charged with murder in relation to an alleged incident in Afghanistan in 2011.
Military police have arrested seven Royal Marines on suspicion of murder over an incident in Afghanistan, the Ministry of Defence has said.