Methamphetamine, or “crystal meth”, isn’t as widely used as heroin in Afghanistan, where much of the world’s opium crop is grown, but it has the “potential” to become more severe.

That’s according to Martin Raithelhuber, an expert on illicit synthetic drugs with the United Nations Office on Drugs and Crime (UNODC).

He was one of the contributors to a new UNODC report documenting the growing use of the powerful stimulant, in Afghanistan.

Speaking to Lucy Dean, Mr Raithelhuber said crystal meth was mostly used by people already addicted to opium or heroin.

Duration: 5’44”