At least 25 people, including five police personnel, were injured when a fire broke out in a congested alley in south Bihar's Aurangabad district in the early hours of Saturday, an official said.

The incident happened in Shahganj locality of Aurangabad town where an LPG cylinder exploded inside a house as preparation of "prasad" for Chhath Puja was underway, sub-inspector in-charge of Town police station Vinay Kumar Singh said.