Rescuers gather amid the debris of a bank building that collapsed after a gas blast in Karachi, as at least 14 people were killed. AFP

An excavator clears the debris of a bank building that collapsed after a gas blast in Karachi, as at least 14 people were killed and several more injured. AFP

Rescuers carry the body of a victim who died in a gas blast in Karachi, as at least 14 people were killed and several more injured. AFP

Rescue workers move a body into an ambulance after a blast in an industrial area in Karachi, Pakistan December 18, 2021. REUTERS

People and rescue workers gather at the site of a blast in an industrial area in Karachi, Pakistan December 18, 2021. REUTERS

A paramilitary soldier stands guard at the site of a blast in an industrial area in Karachi, Pakistan. REUTERS/Akhtar Soomro

Pakistani security personnel and rescuers inspect the scene of a gas explosion in Karachi, Pakistan. Officials said the powerful gas explosion in a sewage system has killed multiple people and injured others. (AP)

Rescue people carry the dead body of a victim after a gas explosion in Karachi, Pakistan. Officials said the powerful gas explosion in a sewage system has killed multiple people and injured others. (AP)