Seven policemen were wounded by gunfire at a checkpoint in Nazran reports "Interfax". Earlier it was reported that on Monday night unidentified persons opened fire with automatic weapons on the police checkpoint "Altai-16";. A range of measures to identify and arrest the perpetrators of the attack on a police post have been taken. According to the Local Nazran Office of the Interior Ministry, the attack on the post was carried out by a grenade launcher, resulting in light shrapnel injuries to one of the policemen.