Chief Superintendent Mary Doyle said: “I would ask anyone who knows where Jon is or if anyone has seen a man matching this description to contact officers on 101.”
Jon suffered memory loss in a recent car accident although this did not occur whilst on duty.
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Misty again overnight. Murky and damp conditions returning to the Pennines. Grey start Friday but warm sunshine will develop from the west
Your weekend weather outlook for the Northwest and Isle of Man
Accrington have appointed John Coleman as the club's new manager for a second time.