Four Indian soldiers die in blast

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Four Indian army soldiers have died in a powerful explosion at a military base in the northern state of Punjab, military officials said.

The blast happened when a vehicle battery that was being charged suddenly exploded in Jalandhar city late on Tuesday, military officials said.

The flames engulfed several vehicles parked nearby and possibly resulted in fuel tank explosions.

Army authorities have ordered an inquiry into the incident.

Senior police officers said it may be "too hasty yet" to rule out the possibility of sabotage.

Reporters witnessed bomb disposal squads and sniffer dogs entering the base area to help in the investigation.