the synthetic drugs — which are more dangerous than heroin — have been linked to a hundred deaths in the uk sincejune last year. 0ur correspondent colin campbell has more. the 21—year—old southampton musician dylan rocha died after unknowingly taking synthetic opioids called nitazenes that were hidden in heroin. just really wanted to cuddle him. i put my head on his chest, really scared. i didn't want to put my head on his chest because because his heart wasn't beating. we've discovered the super—strength manmade drugs linked to more than 100 uk deaths are being openly advertised by chinese suppliers on major social media sites. 0n x, formerly twitter, we found more than 700 adverts for nitazenes. 0n the music sharing platform soundcloud, we found almost 3,000. finding adverts on this scale — hundreds, thousands of adverts — it is horrifying with potentially a very significant