The industrial unit in Linton was found to contain plants worth more than £1 million.
Police were called when the building's landlord found fifteen hundred plants.
More top news
Documents that give a harrowing insight into the lives of slaves in the late 18th century have been published online.
A herd of rare sheep is being grazed on a nature reserve in west Norfolk in an effort to help the birds who nest there.
Isolated, locally heavy showers. A cool northerly breeze.