Dennis, 72-year-old, from Fishtoft in the Boston area, has been reported missing.
He was last seen leaving an address in the area at about 8:45am, thought to be wearing blue jeans, a checked shirt and a dark coloured cardigan.
Dennis is as about 5ft 8inches tall, with very thin build, greyish hair, and is balding.
“We are very concerned for Dennis who was reported missing from Fishtoft, in the Boston area, this morning.” Expressed the worried officers.
“If you see Dennis or have any information that might help us find him, please call 101 with reference number 197 of 8 August.”