An explosion has left several casualties as people watched a World Cup match in northeastern Nigeria, according to police.
Witnesses described hearing two blasts at a venue where football fans had gathered in Damaturu on Tuesday night to watch the Brazil Mexico match.
Hospital workers said 15 people were critically injured, but more wounded were still arriving in hospitals.
The bomb was hidden inside a tricycle taxi, AP news agency reported.
Damaturu is the capital of Yobe state, which has been targeted in a series of attacks by militant Islamist group Boko Haram.
There has been no claim of responsibility for the bomb attack.
The group abducted more than 200 girls from a school in neighbouring Borno state in April and frequently times secondary explosions to kill people as they rush to help at the scene of bomb blasts.
The Nigerian government has advised residents to avoid gathering in public to watch the World Cup.
Earlier this month, a bomb exploded at another venue in northeastern Nigeria, killing at least 14 people.
Boko Haram has declared war on all signs of Western influence.
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18 June 2014 | 12:23 am – Source: orange.co.uk