Three people were injured and two were killed in a shooting at a party on Chicago’s south side early Saturday, police said.

According to police, a gunman opened fire shortly after 3 .am. shortly after 3 a.m. during a party on the 7800 block of South Loomis Boulevard, hitting five people total.

The victims have not been identified, but all were in their 20s.

A 26-year-old man was shot in the head and taken to the University of Chicago Medical Center, where he was pronounced dead, authorities said.

A TV station in Chicago reported that the second fatality was a 21-year-old man who was also shot in the head and also taken to the University of Chicago.

The other four victims included a 25-year-old man who was shot in the shoulder and was taken to the same hospital; a 23-year-old man who was shot twice in the right arm and taken to Advocate Christ Medical Center in Oak Lawn; and another 21-year-old man who was shot in the shoulder and taken to Advocate Christ in Oak Lawn.

A Chicago newspaper that at least 15 people have been shot in Chicago since 2 p.m. Friday and five people have died.