"I don't know if this was standard operating procedure, a random check or a question mark," he said.

By the way, you should always have people doing random checks on the computer models decisions.

The mayor's proposal has made him fear random checks by the police, he said.

More random checks are to be held over the next few weeks.

"The system could be used to do random checks that would authenticate the whole lot."

One random check by a mobile vehicle and crew of three.

"I feel it is correct to have a random check," the Prince said today.

At other stations enforcement is based on honesty, with random checks.

"If something looks extremely suspicious, yeah, but a random check?"

"I think random checks are probably useful in this kind of environment," he said.