A major fire too broke out following the fire.
The police and fire services which rushed to the spot have managed to get the fire under control. The explosion was accidental in nature Deputy Commissioner of Police, Kartikeya who visited the spot informed.
The explosion occurred when detonators were being transported out of the office. No sabotage has been suspected.
The injured have been rushed to hospital and the situation is under control, the police informed. [See more pictures]