Police are appealing for information after an incident in Aylesbury on Sunday July 22 in which a woman sustained a friction burn.
It happened between 9.30pm and 9.50pm after a man and a woman had an argument on Bicester Road, Aylesbury, in the layby just beyond the Hop Pole pub and the Apple Tree petrol garage.
They were stood beside a grey Audi A3 and a silver BMW 5 series.
During the argument the man ripped an item of clothing off the woman causing a friction burn.
Officers would like to speak to four men who passed the scene and spoke to the woman.
Investigating officer PC Lauren Wainwright said: “I believe that these four men who passed the incident may have vital information that will help with my investigation.
“I urge them to get in touch online at www.thamesvalley.police.uk/tua/tell-us-about/cor/tell-us-about-existing-case-report quoting 43180224145, or by calling 101 or contacting Crimestoppers anonymously on 0800 555 111.”