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Page last updated at 07:11 GMT, Tuesday, 30 March 2010 08:11 UK

Mephadrone use 'is almost out of control'

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The interim chair of the Advisory Council on the Misuse of Drugs has said banning mephedrone is "absolutely" the right thing to do.

Speaking on the Today programme, Professor Les Iversen said use of the drug "is almost out of control as the first internet drug".

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