Video UK Black Lives Matter Activists #Shutdown the M4 This morning, UK Black Lives Matter activists blocked off the M4 towards Heathrow airport in protest at deaths in police custody and the racist policing of borders. Ash Sarkar reports. Published 5th August 2016 Subscribe on YouTube Tweet Episode Facebook Share More Video RULE BREAKER Dear Lobby: Keep It Simple. Stick to Facts. Don’t Fuck It Up A Turning Point in Trust?