Three men and a woman have been arrested on suspicion of affray after a fight in Kempston on Sunday afternoon.
The group brawl happened between 1pm and 1.30pm in Bedford Road and involved several groups.
Police have bailed those arrested - three men aged 31, 33 and 36 and a 33-year-old woman - until April 20 while the investigation continues.
PC Lindsey Cook said: “We would like anyone who may have witnessed the altercation or who has any information to come forward.”
Contact PC Cook via the Beds Police non-emergency number 101, text 07786 200 011, or call Crimestoppers, anonymously, on 0800 555 111.