Police and volunteers are continuing to search for David Leman who disappeared three days ago.
He was reported missing after his dog was found near Skegness' Gibraltar Point.
Detectives are also searching for him in the town and are reviewing CCTV from this time of his disappearance on Monday morning.
David Leman is of mixed race, around 6ft tall with a shaved head. He is thought to have been wearing jeans and a hooded jacket.
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