In Nigeria, the terror campaign carried out by Boko Haram extremists and the government’s efforts to defeat them have left civilians malnourished to the point of starvation, a leading UN rights expert has said.

The warning comes from Chaloka Beyani, who’s the United Nations Special Rapporteur on Internally Displaced Persons (IDPs).

Just back from north-east Nigeria, Mr Beyani also reports that women and girls taking shelter in camps in newly liberated areas are subject to sexual exploitation in return for food.

Here’s the rights expert speaking to Daniel Johnson on the ‘phone in Geneva; we apologise for the poor quality of the sound.

Duration: 3’40”