Black Lives Matter explained: The history of a movement

The Black Lives Matter movement has been fighting to be heard since 2013 - and the phrase itself has been seen on streets and screens all around the world after the killing of George Floyd in 2020. But how did the movement begin? Take a look at the short documentary by Channel 4 News below:

https://www.youtube.com/watch?v=YG8GjlLbbvs