Rave culture is one of Britain's great cultural exports, but after its first wave in the late 80s and early 90s, it was soon forced into the underground by stringent new laws and superclubs. Now, 25 years into in the midst of a nationwide purge on the UK's nightlife, a new kind of scene has emerged.This is a 21st century version of rave, where young people break into disused spaces with the help of bolt-cutters and complicated loopholes in squatting laws, to suck on balloons and go hard into the early morning. But with the police using increasingly extreme tactics to clamp down on these parties, and more than one fatality causing nationwide media panic, can the scene survive?Locked Off will be on Vice on Monday 23rd May.