NOWSHERA, June 27: Two police constables were injured when an explosion occurred in the Police Lines department here early Tuesday morning, which razed two buildings.

Following the explosion, a fire broke out in a godown, where the stored ammunition, guns, weapons, hand bombs kept blasting for three hours.

The fire was extinguished after three hours.

The injured policemen, Hazrat Shah and Manzoor, were discharged from a hospital after treatment.