Officials say a multistory building has collapsed in Pakistan’s southern port city of Karachi, killing at least six people and injuring several others.

Rescuers were searching for trapped survivors after the incident in the impoverished Lyari neighbourhood of Karachi.

At least 11 people died and several others sustained injuries, when a dilapidated five-storey residential building collapsed in the Lyari neighbourhood of Karachi on Friday morning, police and witnesses said, with rescuers searching through the rubble for trapped victims.