UK sells cannabis to Amsterdam?

In 1997 only 11 per cent of cannabis sold on UK streets was grown in Britain. A decade later the figure had passed 60 per cent and now it is believed to be closer to 80 per cent. Much of the trade is run by Vietnamese and Chinese gangs. Some place immigrants, called “ghosts”, in houses as plant-sitters. But British gangsters are increasingly muscling in on the huge profits involved, The Sun