Health Minister Lesley Griffiths says she does not consider mephedrone use 'a huge problem' in Wales.
But she added that educating people about it now will raise awareness of the dangers and help prevent people trying the substance in future.
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Two friends have died after taking suspected "legal highs" at the same house party.
After a fairly bright start it will turn increasingly wet and windy this afternoon. Clearer spells this evening but winds remain strong.
Welsh Labour launches General Election campaign saying Ed Miliband in Downing Street would "deliver for Wales".