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Teacher tells of Boko Haram attack in Nigeria

24 April 2014 Last updated at 22:38 BST

The UN estimates more than 50,000 people have fled the violence in Nigeria and crossed into neighbouring Niger.

Boko Haram's Islamist militants have intensified their violent campaign, killing over 1,500 people since the start of this year alone, according to human rights groups.

Most recently, they are suspected to be behind the mass abduction of more than 200 school girls.

Ibrahim Tidjani is a Koranic teacher, who crossed into Niger with his family and some of his pupils at the end of April last year, after his village, Manguno, was raided by Boko Haram fighters. Sixty people were killed in the attack, including his father and brother.

He told his story to the BBC's West Africa correspondent, Thomas Fessy, who met him in the border town of Diffa in south-eastern Niger.