At least four people were wounded in a shooting early Sunday morning on Hennepin Avenue in downtown Minneapolis, police said.

They said no one had been arrested as the investigation continued into the evening.

According to a police statement, officers found two men wounded outside a party at 930 Hennepin after an exchange of gunfire about 3:30 a.m. Police said gunshots had been fired and a security guard had shot back.

The wounded men were taken to HCMC for treatment of non-life-threatening wounds.

A man and a woman also arrived at HCMC with graze wounds from gunshots, police said.

Police ask anyone with information to call detectives or CrimeStoppers at 1-800-222-TIPS (8477), or to submit a tip at