Searches are continuing today for missing Wensleydale man Neal Kerner.
Neal, 56, has not been seen since 11am on Thursday when he left home to go for a walk.
He is believed to be in and around the Wensleydale area.
Police helicopters, police drones and volunteers from Swaledale Mountain Rescue Team (SMRT) have been deployed to help in the search.
SMRT members searched the Addlebrough area yesterday before moving to the hills above Semerwater.
A spokesperson said they did not find any traces of the missing man.
Police are today continuing their efforts to find missing walker Neal Kerner who was last seen leaving his home in the Aysgarth area.
Neal is white with grey hair and is dressed in walking gear with a checked shirt, black fleece, dark walking trousers and boots. He set out for a walk at 11am yesterday and has not been seen since. Neal’s mobile phone was left at his home address.
Police said they believed that Neal was in the Wensleydale area.
Inspector Mark Gee from North Yorkshire Police said: “We are currently extremely concerned for the welfare of Neal Kerner and are currently focusing our searches in the Wensleydale area.
“I urge anyone who is out walking in this area today or this weekend to be vigilant and to report any immediate sightings of anyone matching Neal’s description to 999.
“I’m also appealing to local land owners to please check our buildings and shelters to see if Neal has come to any harm and is resting there. ”
Mr Kerner is known to enjoy local walks in the Penhill and Thoralby village area.
He is white with grey hair and is dressed in walking gear with a checked shirt, black fleece, dark walking trousers and boots.
If you have seen a man matching Neal’s description or photo in the Wensleydale area or beyond, please call North Yorkshire Police on 999 quoting reference number 12230149716.