The shooting happened just before 1:30 a.m. at the Taboo Nightclub and Lounge, the Cedar Rapids Police Department said in a statement. The club was hosting a 90s-themed party, according to a post on social media.
Cedar Rapids officers were on routine patrol downtown at the time of the shooting, the statement said, and were able to respond immediately.
Police have secured the scene and “there is no threat to public safety,” the statement said.
Police did not release any information about possible suspects or arrests. The investigation remained ongoing Sunday morning and anyone “present at the time of the shooting or with knowledge of the incident” is asked to contact investigators, the statement said.
The injured are receiving medical care at multiple local hospitals.