Deadly Bomb Blast Hits Karachi, Killing at Least 24

At least 24 people have been killed by an explosion in the Pakistani city of Karachi, police say.
The blast in the mainly Shia Muslim area of Abbas town destroyed several buildings and set others on fire. Some reports spoke of a second explosion.

Rescuers have been struggling to reach people thought to be trapped under the rubble.

Pakistan's Shia minority are the target of frequent sectarian attacks from Sunni militant groups.

Last month nearly 90 people were killed in a bomb attack on a Shia area in the south western city of Quetta.

Some relatives of the victims initially refused to bury their dead in protest at what they said was the failure of the authorities to protect their community from attack-BBC