The report highlights that deaths related to fentanyl have increased significantly.
The press have recently highlighted that tests on heroin seized by police since November have found traces of fentanyl, which could be linked to at least 60 deaths in UK in last eight months.
In April 2017, Public Health England has issued a warning to heroin users and health officials regarding the contamination of heroin with synthetic opiates, especially fentanyl due to its potency.