A new drug called "flysky" has been spreading throughout the Pittsburgh region, and officials are warning that it can be deadly. In Fayette County over the last few days, there have been at least two ...

‘Flysky’ is heroin mixed with a veterinary tranquiliser called medetomidine (Picture: Getty Images) A new drug dubbed ‘flysky’ is spreading through the US, with officials warning it can kill. The drug ...