A Derry councillor says thete is a massive rise in the amount of people taking the legal high mephadrone.
SDLP Health spokesperson, Mark H Durkan, is calling on the government to immediately ban such substances.
He says urgent action is needed following the deaths of two teenagers in England after they took the drug.
[podcast]http://www.highlandradio.com/wp-content/uploads/2010/03/markh.mp3[/podcast]
