A cyclist turned up at Wycombe Hospital with stab wounds last night - but had no idea how he got them.

The man, 22, went to Wycombe Hospital just after 10.30pm on Thursday (May 21) with serious injuries.

Police say the man cannot remember how he got the injuries, but he said he fell from his green and grey Carrera mountain bike near Cryers Hill.

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He was cycling south of Lisley Fields and north of Great Kingshill at the time.

The cyclist is being treated for his injuries, which aren't thought to be life-threatening.

Police admitted the case was "unusual" and wants to hear from anyone who may have seen anything.

Investigating officer Detective Inspector Peter Wall, based at High Wycombe police station, said: I am looking to recover this bicycle, and would appeal for anybody who was in the vicinity of Cryers Hill between 8pm and 10.30pm last night and saw anything that could help this investigation to please contact police.

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“Similarly, if anybody has seen a bicycle matching this description in the area that has been abandoned, please get in touch with us.

“I am also keen to hear from anybody that may have come to the man’s assistance, as they may have vital information that can help us piece this incident together.

“If anybody was driving in the area and has dash-cam, I would ask you to please check this and contact police if it has captured anything that may assist this investigation.

“I am keeping an open mind as to the circumstances on how the man sustained these injuries. Thankfully, they are not life-threatening and he is recovering, but I need to ascertain how the injuries came about, whether these were accidental or otherwise."

If you have any information, CCTV or dash-cam footage that could help police piece together what happened, gill out the form online or call 101 quoting reference 43200150627.