Update: Ryan has now been found 'safe and well', police have confirmed.

Ryan, 38, was last seen in Twyford, a village in the Aylesbury Vale, at around 7pm yesterday, Friday, March 22.

Thames Valley Police has launched a missing person appeal for the 38-year-old following welfare concerns.

Ryan was reportedly wearing a khaki tracksuit with a hooded top and carrying a rucksack when he was seen yesterday evening.

He has been described by police as 6 ft 1 ins tall and of medium build.

He also has links to Waddesdon and High Wycombe.

Inspector Jacqueline Robinson said: “We are concerned for Ryan’s welfare and are appealing for the public’s help in locating him.

“We have been searching for him since he was reported missing yesterday, with extensive searches undertaken until the early hours of this morning, with support from the National Police Air Service.

“Unfortunately, Ryan is still missing so if you see him, please call us on 999, quoting reference number 1956 of yesterday’s date.

“Anyone with information on his whereabouts should make a report on our website.”