Police in Europe are using tough enforcement to tackle the problem of drivers under the influence of drink and drugs. A series of measures have been employed to enforce drink driving and drug driving regulations across Europe. Police conducted more than 900,000 breath tests in a seven-day operation this summer. Of these, nearly 18,000 drivers tested positive for alcohol. Motorists were also checked for drugs in the operation. In total, 928,863 drivers were checked and there were 17,970 alcohol and 2,773 dru