Explosion rocks Yobe

A bomb attack has reportedly occurred in Potiskum, Yobe state.

Witnesses say a suicide bomber targeting members of the Shiite group, Islamic Brotherhood of Nigeria, detonated his explosive vest, killing many instantly.

The bombing took place at Faydia Islamic school, ran by the Shiite. It is located near the old market in Potiskum.

The bomber struck when members of the Shiite were gathering to go on a procession to mark the Ashura day

Ashura day is the tenth day of the month of Muharram, the new month of the Islamic calendar. Details later.