In pictures: Grozny blasts

Two powerful explosions have destroyed the headquarters of the pro-Russian administration in the Chechen capital Grozny, killing at least 55 people and injuring at least 120.

Chechen separatist rebels claimed responsibility for the attack.

Rescue workers looking for survivors amongst the rubble

The explosions left a six-metre (20-foot) crater

At least 55 people were killed by the bomb

The entire government building was destroyed

The final death toll is not yet known