Gunfire erupted at Iowa City's bustling Pedestrian Mall near the University of Iowa early Sunday, leaving multiple people, including students, wounded and sending police scrambling to secure the area as the suspect remains at large.

Students at the University of Iowa were among the wounded, the school said in a statement.

"While the investigation is in its early stages, there are no indications any university students were the intended victims," it added.

No arrests have been made in connection with the shooting. Police later released photos of five persons of interest in connection with the shooting.

Authorities asked anyone with information or video footage of the shooting to contact Detective Cade Burma at cburma@iowa-city.org or 319-356-5275.

Anonymous tips can also be submitted through Crime Stoppers online at iccrimestoppers.org, or by phone at 319-358-TIPS (8477).