Police were alerted about a brawl in central Heby at 7:41 pm on Saturday evening, they write on their website.
At the site, a man in his 20s was found cut. He is taken to hospital by ambulance and the injury situation is currently unknown.
Two people have been arrested on suspicion of attempted murder and assisted in attempted murder.
The police write on their website that they are working on a number of investigative measures on the spot, including interrogation with witnesses.