POLICE officers on the outskirts of Thame discovered a rucksack full of cannabis - and sent a tongue-in-cheek message to the owner.

They took to Twitter on one of Thames Valley Police's official account earlier this afternoon to post picture of the bag of class B drugs. 

In a message they asked whether anyone had lost the drugs - and said they were keen to find the owner. 

Those convicted of possessing cannabis can be jailed for up to five years. The sentences for supply or production can be up to 14 years in prison.