Earlier in the day, a team of forensic experts reached the blast spot for conducting an investigation.
At least 23 people have lost their lives in a blast that occurred at a firecracker factory in Punjab's Batala city on Wednesday.
Senior Superintendent of Police (SSP) Opinder Singh said, "Presently there are 18 people who have suffered injuries and undergoing treatment in the hospital while 23 people have lost their lives."
Punjab Chief Minister Captain Amarinder Singh has ordered a magisterial inquiry in the accident and announced an ex-gratia grant of Rs 2 lakh for the kin of the deceased and Rs 50,000 for the seven severely injured, who were referred to Amritsar Medical College. He has announced Rs 25,000 for those with minor injuries.
President Ram Nath Kovind, Prime Minister Narendra Modi and Congress leader Rahul Gandhi have expressed their condolences on the death of workers in the explosion.