Two female suicide bombers have killed 30 people and injured 57 others in an attack in the north-eastern Nigeria town of Madagali.
It's an area in which the militant Islamist group Boko Haram still operates, often with impunity.
In 2014 they kidnapped more than 200 schoolgirls from the town of Chibok - most of them have still not been found.
And the abductions have continued.
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