Dramatic drop in amount of heroin in UK

Dramatic drop in amount of heroin in UK: "Europe's biggest drug testing company, Concateno, said [...] BBC, 31 January 2011. There has been a dramatic decrease in the amount of heroin in the UK, BBC News has learned. The Serious Organised Crime Agency claimed the drop was due to supply ... addicts would face an increased risk of overdose. There are an estimated 300000 users of heroin, which comes mainly from Afghanistan and Pakistan, in the UK. Concateno takes swabs from anyone on a court testing order or in drug ...