The BBC film sees Elba meet prime minister Sir Keir Starmer, who said that his party would commit to halving knife crime if elected, and the King, where the pair discussed solutions to the problem with some of the young people most affected by youth violence.

Idris Elba tells BBC Radio 4's Today programme that kitchen knives could be made without points on the end Banning the sale of zombie knives is a positive step, but schools need to intervene earlier to help tackle the UK's knife crime crisis,