Fentanyl is a synthetic opioid used to treat severe pain. But more than 150 people die every day from overdoses related to ...

The US government has long accused China of flooding the country with deadly drugs like fentanyl, a synthetic opioid up to 50 times stronger than heroin, claims the Chinese government denies.

Two people died and 10 others needed hospital treatment in north Devon last month after taking drugs which were found to have contained nitazenes - a banned synthetic opioid which can be up to 500 ...