Bedfordshire Police have asked for anyone with mobile phone or dash cam footage of a fight involving 10 men on Prebend Street, at around 5pm yesterday (23 April), to get in touch.
Two men were arrested and another two men were taken to hospital with serious injuries that are not thought to be life threatening.
Detective Sergeant Simon Hancock, said: “Violence of any kind won’t be tolerated. We’re taking this incident incredibly seriously and are working to establish more around the circumstances of the incident and what caused it.
“Therefore we’re keen to hear from anyone who was in the area at the time, who may be able to provide vital information.
“In particular we’re keen to hear from anyone who has any phone or dash cam footage of the incident.”
Anyone with any information, or who may have recorded the incident on a dash cam or mobile phone, is asked to call 101 and quote reference number 40/23175/19.
You can also report any information at www.bedfordshire.pnn.police.uk, or anonymously through independent charity Crimestoppers on 0800 555 111.