No fewer than 54 people were killed and 90 wounded in a multiple bomb attack in the northeastern Nigerian city of Maiduguri on Sunday evening, a police spokesman said on Monday.

“A suspected Boko Haram suicide bomber detonated IEDs (improvised explosive devices) at a mosque in Ajilari and some insurgents also threw IEDs at a viewing centre. Total casualty figure is now 54,” Victor Isuku, a police spokesman in Maiduguri, said.

A Nigerian army spokesman said on Sunday that three bombs had gone off. 

The attack came less than 24 hours after Boko Haram elusive leader, Abubakar Shekau said his group is far from being weakened by Nigeria’s military, describing military claims as lies.