Posters and leaflets have been distributed in and around Mansfield, in a bid to find a missing policeman, who was last seen by his wife yesterday.
The force helicopter – equipped with a thermal imaging camera – was deployed last night in hope of finding Colin Evans, with cold conditions making heat more visible.
Police believe the 51-year-old may have been in Nottingham City Centre today.
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It will be staying mostly dry but very cold for the evening.
Dry with clear spells overnight. Frost and fog patches likely.