Sub Inspector Humayun Kabir filed the case against unidentified people, alleging negligence resulted in the explosion and casualties, said officer-in-charge (OC) of Fatulla Model Police Station Aslam Hossain.
No one was named in the case, he said.
Narayanganj Superintendent of Police Zayedul Alam said, "The matter still seems to us to be an accident. “
Meanwhile, the death toll from Narayanganj mosque blast rose to 24 until Sunday afternoon as three more victims died at Sheikh Hasina National Burn and Plastic Surgery Institute today.
Also read: N’ganj mosque blast: Death tally now 24
The deceased were identified as Julhas, 35, Shamim, 45 and Md Ali Master, 55.
Dr Samanta Lal Sen, coordinator of the Sheikh Hasina National Burn and Plastic Surgery Institute, confirmed the information saying “Three more victims died at the hospital.
A total of 37 injured people were admitted to the hospital after the blasts of seven air conditioners at the mosque, the physician said.
Meanwhile, Prime Minister Sheikh Hasina directed the authorities concerned to ensure the best treatment for the patients who suffered burn injuries in the Narayanganj incident.
Also read: Oversee mosque construction to check recurrence of N’ganj-like incident: PM
Some 40 people suffered burn injuries as all the air conditioners of the mosque exploded during Esha prayers in Fatullah, Narayanganj on Friday night. One of the injured died at night.
Locals said the incident took place around 8:45 pm at Baitus Salam Mosque when the devotees had just finished their prayers. An air conditioner went off and sparked a fire inside the mosque. Later, the remaining six ACs exploded there, leaving the 40 devotees injured.
Also read: Reasons behind N’ganj mosque explosions still unclear