Sri Muktsar Sahib, May 30 -- Four people were killed and several injured in a blast at a firecracker factory in Sri Muktsar Sahib, Punjab.

Several factory workers are feared to be trapped after the blast, while the rescue operation is underway.

The explosion occurred late last night, and the police reached the site of the accident in the morning.

Senior Superintendent of Police (SSP) of Sri Muktsar Sahib, Akhil Chaudhary, told the media, "...Four people died when the building collapsed following the explosion. Rescue operations are underway and the injured have been admitted to the hospital..."

He added that the Police will carry out the necessary investigation. When asked about the cause of the blast, he said, "It seems to be somethi...