From the information we have received, we believe both may have taken amphetamine. Although we cannot say that this was the cause of death until toxicology tests are complete, we are concerned that there may be a contaminated batch of drugs in the area.
"If anyone has recently taken drugs and feels ill, I would ask you to go to hospital for a check up.
"I would always advise people not to take drugs as you do not know what it has been mixed with and you are getting what you pay for. They can contain poisons or illicit chemicals that can have fatal effects."
More top news
The headteachers of two Walkden schools have paid tribute to the three children who died following a house fire.
A criminal gang will be sentenced for using drones to supply and fly drugs into jails across the country, including two in the North West.
A chef who lost his job after he was wrongfully convicted of drug driving is suing the forensic firm where his sample was tested.