Mephedrone could soon be classified as a Class B drug

Ministers will take "immediate action" to prevent mephedrone if the consultants recommended prohibiting legal high, Prime Minister Gordon Brown told MPs.

Chief Adviser of drugs the Government announced that it will soon be classified as a drug class B.

In the Commons, Prime Minister said he was "very concerned" the dangers of substances and will act promptly.

It comes as the drug was associated with the deaths of several young people.

The drug known under different names, including "M-kit", "MK", "mieow", "nyav", "4MMC", or simply plant fertilizer.

Concern over its effect increased after the two friends, Louis Wainwright, 18, and Nicholas Smith, 19, died in Skantorp, county of Lincolnshire, the week after, mephedrone.

Since then a number of other deaths were investigated to see if they are drug related, including 24-year-old Lois waters, who died in Norton, North Yorkshire, on Monday.

On Tuesday, the chief adviser to the government drugs advisory board strongly pointed to drug abuse (ACMD) will recommend to prevent substance.

Professor Les Iversen said that he expected that the committee will make recommendations to the Minister of Interior in the following Monday.

He said he believed mephedrone was "harmful".

On Wednesday during question the prime minister, Brown said: "We are committed to preventing young people start using drugs.

"Advice is clear that just because a substance is legal does not make them safe.

"But we are very concerned specifically about the damage mephedrone, and the Advisory Council on Drug Abuse considers this and similar compounds, as an absolute priority."

He said: "immediate steps" be taken after consultation with the ACMD was taken March 29.

The Prime Minister said that government is determined to act to prevent this evil damage while the young people of this country. "

The drug is usually white or yellowish powder, which is pyrhnuv, but it can also be obtained in tablets and capsules. This market as vegetable food.

Prof Iversen said that his personal opinion as a pharmacologist who mephedrone and other drug-related were "amphetamines differently.

Amphetamine is currently classified as a Class B drug and possession may be imprisonment for up to five years or a fine of unlimited amount or even both, as the case may lead to imprisonment for 14 years.

Opposition Ministers also criticized the time it has taken to review the drug occur at sites that sell drugs told its clients this case "when" not "if" mephedrone be prohibited.

And some campaigns have called for the use of emergency prohibition powers to resolve the legal threat highs.

They proposed to use American-style laws that prohibit all legal maximum per year, and scientists to assess their risk.