BAGHDAD: At least one pro-Iraqi government Sunni fighter was killed in an explosive device attack at a checkpoint in Khan Beni Saad, some 50 kilometers (30 miles) north of Baghdad, officials and security sources said early on Sunday. Two fighters with the Iraqi pro-government Sunni tribal force Sahwa were killed and at least six people, including five Iraqi soldiers, were injured in the attack, according to two security sources and a medical source. The Iraqi Security Media Cell, an official body responsible for disseminating security information, said one person was killed after two explosive devices were detonated near the checkpoint on Saturday evening. It also said in a statement four people had sustained minor injuries.