An explosion killed two Georgian police officers early Monday near the disputed region of South Ossetia, a police official said. EU monitors called the attack an unacceptable breach of the cease-fire that ended the Georgia-Russia war. EU monitors that are patrolling the area as part of the truce said the blast was caused by an "improvised explosive device" and was followed by gunfire. Interior Ministry spokesman Shota Utiashvili said the explosion in the village of Dvani was followed by a second blast when a group of police officers arrived to help, wounding three more officers, he said - one seriously. Utiashvili blamed Ossetian paramilitaries for the blast.