Nigeria Undercover with Yalda Hakim

The number of people killed by Nigeria's Boko Haram militants rises on an almost daily basis. Thousands have died in a conflict almost unseen by the outside world. But what is it actually like living in the shadow of one of the most violent insurgencies in Africa? Yalda Hakim has been to Nigeria for Our World - and gained access to exclusive undercover footage shot in the troubled north-east of the country.