Drug 2,000 times the strength of heroin is killing Brits

The deadly fentanyl family of opioids are 50 times more potent than heroin. But nitazenes, which are flooding into the UK, can reach up to 2,000 times heroin’s potency. The Daily Mail takes up the story as as expert warns deaths are ‘tip of the iceberg’ and UK could “face US-style fentanyl epidemic”.