Middleton police are investigating a Sunday attack involving a machete, according to a release.
Officers were called to the 6300 block of Pheasant Lane at 5:44 p.m. for a report of a physical disturbance.
Police said Brandon C. Green, 27, of Stoughton, forced his way into the apartment, confronted and beat a woman and other people inside the apartment. One of the people was knocked out.
During the disturbance, Green armed himself with a machete, police said.
Those involved suffered non-life-threatening injuries.
Green was arrested on suspicion of burglary, disorderly conduct while armed, battery, damage to property and substantial battery.
Anyone with information about the incident is asked to call or text Middleton police at 608-824-7300.