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Now he is on a mission to help others, as experts warn of an emerging epidemic of addiction to the powerful Class B drug.

Small amounts of the Class B drug can give a sense of euphoria and excitement, while large amounts can lead to a state known as the "K-hole," where users feel detached from reality - an out-of-body-type experience.

Emmanuel-Thomas recruited his girlfriend, Yasmin Piotrowska, 33, and her 28-year-old friend Rosie Rowland, to smuggle the Class B drug into the UK.

Mr Hussain and Abu Hussain pleaded guilty to supplying a controlled class B drug but deny conspiracy to import class B drugs.

Chanel and her family are also campaigning for the government to re-classify ketamine from its current status as a Class B drug to Class A, which would put it in the same category as heroin and cocaine.