More than 900 motorists have been arrested on suspicion of drug-driving since a new offence was introduced in March, figures suggest.
The figures, which cover most police forces in England and Wales, are the first to be released since the new laws came into force.
The Met Police had the most arrests, with 214 between 2 March and 11 May.
Home Office Minister Mike Penning said the government was "determined to tackle the menace of drug-driving".
The statistics - obtained by the Institute of... read more