Concerns are growing for the welfare of a man after service station staff called the police.

Officers are trying to identify and trace a man after receiving a call from staff at a service station in Long Crendon Road in Thame this Sunday morning.

The staff member served a man, but following the interaction, they were concerned for his welfare and contacted Thames Valley Police.

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Investigating officer inspector Thomas Xavier, said: “We have been making enquiries to identify this man in order to trace him and check that he is okay.

“However at this point we have not been able to identify him.

"Additionally we have been searching for the individual in the surrounding area to the service station but we have not managed to locate him.

Herald Series: An image released by Thames Valley Police An image released by Thames Valley Police (Image: TVP)“As such we are releasing these images in a bid to identify the man and trace him to check he is okay.

“If anyone recognises this man, or knows where he is or has seen him, we would ask you to get in touch.

“Additionally if this is you then please do get in touch with us so we can be reassured you are okay.

“Anyone with information can call 999, quoting reference 0332 of today's date.”

Thames Valley Police's guidance on missing people highlights it is "not wasting police time to report someone missing".