Idris Elba stars as African Commandant in Netflix hit

A film starring Idris Elba as an African warlord who uses child soldiers has been achieving high viewing figures after being released online by streaming service Netflix.

Beasts of No Nation did not initially enjoy box office success - but has since become the most-watched title in every country where Netflix operates.

Actor Idris Elba and the film's writer and director Cary Fukunaga spoke to the BBC's Babita Sharma about why they made the movie.