A BATCH of zombie drugs is suspected to be responsible for four deaths in three weeks at one of Britain’s biggest prisons.
The synthetic cannabis was found to have been mixed with another illegal substance to make it more potent.
It was the focus of an investigation into six deaths HMP Park in Bridgend, Wales.
Adrian Usher, the Prisons and Probation Ombudsman, found four deaths were involved drug related.
Two of the dead were known to have used it herb.
Mr Usher urged prisoners to throw away their supplies, saying: “This is a dangerous drug and we don’t want any more unnecessary deaths to occur.”
The G4S-run Category B prison is said to hold 300 more prisoners than its capacity of 1,500.
An inspection in 2022 raised concerns drug use and violence, say activists.
Jason Hussey, John Rose and Christopher Stokes were among six inmates who have died since February 27.
Police have confirmed that two of the six deaths were not suspicious, while early testing suggests nitazenes — artificial opioids – were linked to the others and spices to two.