Three rioters have been convicted of causing violence during the Luton Carnival uproar last year.
Nathan Kiasala, 20, and Jason Kiasala, 18, both of Styles Close, Luton, pleaded guilty to causing grievous bodily harm, possessing an offensive weapon and violent disorder.
19-year-old Daniel Idiabeta of Oakley Road, Luton was found guilty of violent disorder and possessing an offensive weapon after a trial at Luton Crown Court which concluded on Tuesday.
A riot broke out in the town centre during the evening on Sunday, May 29, 2016, following what had been a successful and safe day at the Carnival.
Hoards of officers were brought in from other forces to help deal with the disorder.
Since then, Beds Police has investigated the identities of those involved during the large fight which resulted in four people being taken to hospital.
Det Insp Iain Morgan said: “This has been a complex investigation into what was completely unacceptable behaviour.
“Following the Carnival a small minority of people inflicted violent behaviour and disorder on the town, attempting to a ruin what had been a great event for everyone involved.
“Our officers have worked incredibly hard, both in the initial response to the incident, and the subsequent investigation, which has resulted in these three prosecutions.
“I hope this sends a stark reminder to others that we will not tolerate those who wish to bring harm to our communities, they will be caught and made to pay for their actions.”
Sentencing will take place at Luton Crown Court on March 24.