Warwickshire police chiefs have advised officers against saying the popular catchphrase, which was made famous by the late Jack Warner in 'Dixon of Dock Green', over worries of cultural confusion.
"Evening" has been deemed by bosses as a "subjective term", which does not necessarily mean the same across cultures and nationalities.
The barmy rules came to light after a request was made under the Freedom of information Act about guidance on the use of language in the forces. PC plods have also been told to use the term "gay" rather than "homosexual" while "heterosexual" should be used instead of "straight" so as not to cause offence. Words such as "child" or "youngster" have also been discouraged by various forces as they imply inexperience and may offend.
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.
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