A powerful bomb exploded near the police commando complex at Pallel area in Manipur's interior Thoubal district but there was no casualty, police said today.
The bomb, planted by suspected militants in front of the police complex, about 40 km from here, went off last night.
It was a very powerful bomb and the sound of explosion could be heard some kilometres away from the spot, police said.
All police and security posts in the state have been put on alert.
