Gordon Brown has publicly backed the decision to sack the Government's chief drugs adviser. Skip related content
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Brown backs drug adviser's sacking
The Prime Minister said Professor David Nutt's comments gave the impression the Government was sending "mixed messages" about drugs.
He said the Government could not risk suggesting it was acceptable for young people to experiment with cannabis, as this could lead to more becoming addicted to hard drugs.
He said: "Advisers advise and ministers have to make decisions. I think Alan Johnson made the right decision.
"In the interests of the public we have to show we are tough on drug dealing and the problems that drugs are causing in our communities."
Mr Brown said young people needed to be protected from dangerous new strains of "adulterated" cannabis.




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