Lincolnshire Police are still searching for an 82-year-old man after he went missing from Woodhall Spa on Thursday last week.
Fred Gibson was last seen in the village at around 1.45pm on November 28 and police have been searching for him ever since.
Underwater search teams have been checking the River Witham, while officers have carried out house-to-house enquiries.
Inspector Dave Penney said: “We are continuing to search for Fred, and it’s vital that anyone with information gets in contact with us. Even the smallest detail may be crucial.
“The underwater searches are being carried out as a precaution, and we are in regular contact with Fred’s family during this very difficult time.
Police in Woodhall Spa are searching the River Witham after a man in his 80s went missing yesterday afternoon. pic.twitter.com/bglPuwwhOC
— BBC Radio Lincolnshire (@BBCRadioLincs) November 29, 2019
“If you have seen Fred or think you could help us to find him, then please get in touch.”
Fred is white, 5 feet 10 inches tall with short hair and he was wearing a blue top and sleeveless shooting jacket when he went missing.
His Audi Q5 was parked at 3.15pm on the day he went missing close to the Railway Inn at Kirkstead Bridge.
Anyone with information has been urged to call 101 and quote incident 384 of November 28.