Seven people were injured including four firemen when a major fire broke out in a slum cluster in Jehangirpuri area of North West Delhi, Fire Brigade officials said.

The fire broke out at around 10:30 pm (IST) on Tuesday, gutting several hutments, officials said.

The injured were admitted to Babu Jagjivan Ram Hospital, they said adding there were no reports of any death.

According to the fire brigade officials, the firemen were injured in the stone-pelting by angry mob.

Around 25 fire tenders were rushed to the spot to douse the fire.

The fire broke out in the E-block of the locality which also houses a Delhi Jal Board office, they said.

The cause of the fire is yet to be known, they added.