The number of arrests of suspected Christmas drink and drug drivers in Somerset has risen from one hundred and fifty in 2010... to over 230 last month.

Avon and Somerset Police say they stopped nearly twelve-thousand vehicles in December, testing seventeen-hundred people - for Operation Tonic.

Thirteen were found to have been behind the wheel while on drugs.

Chief Inspector John Holt says the appeal for people to text in if they spot an intoxicated driver worked well:

CLIP