Ivan Kulyk, 20, was last seen at the junction of West Street and Friar Street on February 17 at 6.46am the newly released pictures show him leaving a bus in Medmenham, Buckinghamshire, at 7.35am but it is not known where he went next.

Police have described Ivan as white, slim and with short blonde hair. He was last seen wearing a grey jacket and black shoes.

Investigating officer, Det Sgt Chris Quinlan said: “We would ask anyone who has seen Ivan or Ivan himself to make contact with the police or your family so we know you are safe and well.

“Ivan lives in Reading, but he also attends Bucks New University in High Wycombe.

“His family and friends are extremely worried about his whereabouts because this is out of character.”