The militants have fired small arms and grenade launchers on the Maryinka checkpoint in the Donetsk region, the Ukrainian State Border Service said. According to the State Border Service, the attack on the Maryinka checkpoint lasted for more than three hours on October 27. The fire started at about 8:30 p.m. after the checkpoint had closed for the night.They fired small arms at first and usedgrenade launchers later. No Ukrainian servicemen were hurt.