Two grenade attacks in Ingushetia
A policeman was hospitalised after a hand grenade was thrown into a group of officers near the town of Malgobek.
Almost simultaneously, a blast was heard in the in the town of Karabulak, where a grenade exploded in the courtyard of a policeman's house. No injuries have been reported there.
A task force has been sent to the scene.
The republic's Ministry of Internal Affairs has not confirmed the information so far.