The shooting happened at the Walmart on Glenwood Avenue in Brier Creek. Raleigh police responded to a call shortly before 5:30 p.m.
Officers say a man sustained non-life-threatening injuries and was taken to a hospital for treatment.
Durham Council Member Mark-Anthony Middleton was inside the Walmart at the time of the shooting, He shared updates on social media, writing the store was locked down, and police swept it with long-barreled weapons before customers were eventually directed out.
"Aside from any physical injuries we are certainly concerned about innocent people (particularly children) who have been utterly traumatized by this," Middleton added.
The Raleigh Police Department tweeted shortly after stating that an investigation is underway.
Police say they do not believe there is any threat to the public, and other stores and restaurants around the shopping center remained open.
There is no more information at this time as police continue to investigate.