1st LD Writethru: Two UN peacekeepers shot dead by colleagues in northern Mali: spokesperson

Two UN peacekeepers were shot dead and another injured after their Chadian colleague shot at them, the UN mission said Sunday.

Authorities have arrested the peacekeeper but the reason behind the shooting was still unknown, spokeswoman for the U.N. mission in Mali Radhia Achouri said.

This is not the first time that UN peacekeepers were killed by colleagues.

Last month a Chadian soldier killed his own commander and an army doctor over living conditions. Endit