The blast happened during early morning prayers at the Madina mosque in the Unguwar Shuwa area of Mubi, some 200 kilometres (125 miles) by road from the Adamawa state capital, Yola.
“So far we have at least 50 dead from an attack at a mosque in Mubi,” Adamawa state police spokesman Othman Abubakar told AFP.
“Several people were injured. We don’t have the figure now because they have been taken to several hospitals for treatment.
“It was a (suicide) bomber who mingled with worshippers. He entered the mosque along with other worshippers for the morning prayers. 
“It was when the prayers were on that he set off his explosives.”
Asked who was responsible, Abubakar said: “We all know the trend. We don’t suspect anyone specifically but we know those behind such kind of attacks.”
The attack bore all the hallmarks of Boko Haram, the Islamist militants whose insurgency has left at least 20,000 people dead and …
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