Liberalized Soviet access to Western high technologies, including many with strategic applications despite repeated warnings by CIA Director William Webster and other officials that KGB technology theft and collection operations are being intensified.

CENTERFORSECURITYPOLICY: Center for Security Policy | The Washington Summit: The Worst Strategic Miscalculation Since Yalta

Insp Ken Cook, from the force's strategic roads policing unit, said it was "disappointing" that some drivers failed to heed warnings.

BBC: Festive breath test arrests rise in County Durham