BELOIT, Wis. -- Beloit police are working to find suspects responsible in an overnight shooting that injured at least three people.

Officers responded to multiple reports of shots fired in the 1200 block of Randall Avenue. Shortly after investigating the scene, officers were notified that the victims had arrived at Beloit Memorial Hospital's emergency room, WISC-TV reported.

Police said the victims included a 25-year-old Chicago man, who was shot three times, a 19-year-old Beloit man, who was shot at least once and a Beloit woman who suffered minor injures but refused medical treatment.

Officials said the circumstances of the shooting are still under investigation.