Questioning the rise in cannabis

Cannabis growing in residential settings is on the rise Photo: ITV Meridian

Cannabis farms are getting smaller, but police chiefs say there are more of them as criminals spread the risk by employing so-called gardeners to manage small sites across multiple residential areas.

There's been a dramatic rise in the South East - they've doubled in the past 4 years - and increasingly domestic houses are being used to grow the drug.

Andrew finds out more about what's behind the rise from Professor Alex Stevens from the University of Kent