Two Walmart employees were killed and two others, including a police officer, were injured during a shooting in the Memphis suburb of Southaven, Missouri.
The shooting took place around 6:45 a.m. The suspect was being treated at one regional health center.
Bill Rasko, Desoto County Sheriff, said the suspect was a former Walmart employee who worked at the store until Monday. An officer injured in the shooting was taken to Desoto Baptist Hospital and is expected to recover.
Rasco said two store employees were shot dead upon the arrival of MPs.