More than $20 million in illegal cannabis has been seized from a West Oakland warehouse following a joint operation by the California Highway Patrol and the state's Department of Cannabis Control (DCC).

More than $20 million worth of illegal marijuana plants were seized by state authorities last week in West Oakland.

Thousands of cannabis plants worth more than £8.7m have been seized in a week-long operation across Yorkshire and the Humber. The region's four police forces located 35 active cannabis grows containing 8,

The Department of Cannabis Control says they received word from CHP investigators last Tuesday that an Oakland warehouse contained illegal cannabis plants valued at more than $20-million.