Pakistan: explosion at Karachi bank leaves at least 15 dead

Blast at branch in industrial area of city also leaves 16 injured as cause is investigated

At least 15 people were killed and 16 others injured in an explosion on Saturday at a bank branch in Karachi's industrial area, police said.

A senior police officer said the blast at a branch of Habib Bank Ltd, Pakistan's largest lender, could have been caused by a gas leak. Sarfaraz Nawaz also told reporters that the building appeared to have been constructed over a sewage drain.