Police and mountain rescue teams have issued an appeal for a pensioner to return home to Preston.
70-year-old John Rayton from Fulwood was last seen leaving his home on Sharoe Green Lane at 8.30am on Thursday 15 Noveber.
Officers believe Mr Rayton may have used public transport to go walking in Gisburn going via Royal Preston Hospital to feed the ducks.
Inspector Bilal Mulla from Preston Police said: “Mr Rayton is a man of routine and his wife was expecting him home between 3:00pm and 5:00pm but didnāt arrive back and has had no contact with her.
“I would appeal to anyone who has seen Mr Rayton to come forward and contact us immediately. If people are walking in the Gisburn area then I would urge them to look out for John and come forward with any sightings.
“Understandably his wife and family are very upset and want to know that he is safe and well. We have officers supporting them and also out looking for John. We are also being assisted in the search by colleagues from the Mountain Rescue service.”
Anyone with information is asked to call Lancashire Police on 101.
People with information can also contact the independent charity Crimestoppers anonymously on 0800 555 111 or on-line at Crimestoppers-uk.org. No personal details are taken, information is not traced or recorded and you will not go to court.