A video featuring an audio recording purporting to be leader Abubakar Shekau was posted on social media late on Monday.
The group has stepped up attacks in the past few weeks as the end of the rainy season facilitates movements in the bush.
/Reuters/
Boko Haram claims Nigeria university attack
17 January 2017
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Islamist militant group Boko Haram has said it was behind Monday’s twin suicide bombing at a university in north eastern Nigeria which killed two people.
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