Twelve people were killed and 22 injured when an explosion ripped through a two-storey military barracks in Russia’s troubled province of Chechnya.

An explosion ripped through a base of a special Defence Ministry security force in Russia’s troubled province of Chechnya today, killing at least six people and injuring another 13.

Rebels have ambushed a federal convoy in southern Chechnya, killing five soldiers and wounding another five, according to official sources.

At least seven Russian servicemen have died after military posts came under fire in rebel Chechnya.