Fifteen of the 219 Chibok schoolgirls, missing since being abducted by Boko Haram two years ago, have appeared in a new video released by their kidnappers as 'proof of life'.
Lined up for the camera the girls confirm their names in the footage which is believed to have been recorded on Christmas day last year and is being used as part of negotiations between Boko Haram and the Nigerian government.
- Video report by ITV News' International Affairs Editor Rageh Omaar.
A look at the key moments in the timeline of events surrounding the abduction of 219 still missing Nigerian schoolgirls by Boko Haram.
Hundreds demonstrate across Nigeria to urge the government to find schoolgirls abducted by Islamist group Boko Haram.
A video appearing to show the Nigerian schoolgirls kidnapped by Boko Haram has emerged - two years after they were taken captive.