Backstage at many of Britain’s summer music festivals, suspicious pills and powders seized from tents are analysed by lab technicians. Usually it is to advise on-site doctors and police on what symptoms to look out for in people who become unwell. But this year, for the first time, festival-goers have been given the chance to get their illegal drugs tested before they take them. As police turned a blind eye, technicians of a non-profit organisation called The Loop analysed nearly 250 drug samples, mostly of ecstasy, cocaine and ketamine. (Drug-related deaths at highest levels since records began)