A 64-year-old man has gone missing from his home in Olney.
Richard Bunn, from Dagnall Road, has been missing since about midday on Thursday, July 17.
Mr Bunn is 5ft 10ins, with short white hair. When he was last seen, he was wearing dark blue jogging bottoms, a dark blue jacket and dark-coloured boots.
Insp Neil Coolman from Thames Valley Police said: “We are becoming concerned about Richard’s welfare. He has been missing for over 24 hours but we believe he is still in the Olney area.
“If anyone has seen him or has any information on his whereabouts, please call us as soon as you can.”
Anyone with information is asked to call the 24-hour Police Enquiry Centre on 101, quoting URN 423 of 17/7.