Drug driver "is a menace" which "causes absolute devastation" to the families of victims hit by motorists who are behind the wheel while high, the head of a road safety charity said.
Brake deputy chief executive Julie Townsend explained:
Drug-driving is a menace that causes absolute devastation to families and communities, and ends too many lives too soon.
We all need to stand up and fight to end it. Our message to everyone is never to underestimate the effects of illegal drugs on driving.
More top news
Today's weather will remain unsettled, with some cold, wet and windy conditions.
A senior nurse who filmed himself raping unconscious patients at the John Radcliffe Hospital, Oxford has been convicted.
Ed Miliband faces a backlash over his party's use of quotes from some of Britain's biggest businesses to warn about the risks of an EU exit.