Nigeria army accused of atrocities - in 15 seconds

Nigeria's army has been accused by Amnesty International of committing atrocities in the north-east of the country in its fight against Islamist militants belonging to Boko Haram.

The campaign group said it had seen "gruesome footage" including alleged members of the military slitting the throats of detainees.

The Nigerian authorities said such barbarity had no place in the military and promised to investigate.

Here's the story - in 15 seconds.