Witnesses are being sought to an assault which took place during the day in Leighton Buzzard on Sunday, August 9.
A fight broke out between four men in a field behind Monarch Way at around 3.45pm, resulting in one man receiving minor head injuries.
DC Tom Pantony, investigating, said: “This took a particularly nasty turn leaving one of the victims with head injuries, which required hospital treatment.
“It took place during the day in a public place, so I would be keen to hear from anyone who witnessed the fight or saw anything suspicious.”
Call DC Pantony on 101 with information. Alternatively, call Crimestoppers anonymously on 0800 555 111.