At least 20 people are reported to have been killed in bomb blasts in the north-east Nigerian town of Mubi.
Police said they suspect the Islamist group Boko Haram of being behind the attacks.
One of the explosions was inside a mosque as Muslims were preparing for afternoon prayers.
Boko Haram has waged a campaign of violence to try to create an Islamic state in the north of Nigeria since 2009.
The violence has killed about 20,000 people and displaced more than two million.
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Source: BBC