UK-based dealers in illegal drugs earn more money online than any of their European rivals, research suggests, while US dealers had a 36% share worldwide and took home $5m.

In January, British dealers made $2.2m, 16% of the online market.

Commissioned by the Netherlands government, research company Rand Europe trawled the eight largest drug marketplaces on the dark web.

These online sites can be accessed only using a specialised web browser.

Read more at BBC.