Officers responded to a call reporting that someone had been shot in the city's West End neighborhood around 1:30 pm, police said in a news release, AP reported.
A preliminary investigation indicates a man approached two people and opened fire, and one of those people returned fire. All three were shot and died from their injuries, police said.
The shooting took place near a mall.
Investigators were working to determine a motive, police said. They did not release additional information.