Another village in the Chibok region of Nigeria was attacked at the same time suspected Islamist militants were gunning down 10 people, a security source said.
The death toll in Kwada, around five miles from the Chibok village where more than 200 schoolgirls were kidnapped, was unclear.
More top news
The shortest man ever to have been measured has died aged 75, Guinness World Records has announced.
Britons have stepped forward to offer help to refugees after a photo of a drowned three-year-old boy prompted an outpouring of support.
A One Direction fan said she was delighted after Harry Styles grabbed her posted during a concert and corrected her grammar.