2 dead, 2 wounded in shooting at Walmart in Mississippi

  • In this image provided by WREG-TV, Walmart employees join in a prayer circle outside the store Tuesday, July 30, 2019, in Southaven, Miss. DeSoto County Sheriff Bill Rasco says one person is dead and a suspect was shot. (Jerrita Patterson/WREG-TV via AP)

  • Police officers stand outside a Walmart store, Tuesday, July 30, 2019, in Southaven, Miss. Officials say two people are dead and a police officer and a suspect were shot at the Walmart in the northern Mississippi city town, a suburb of Memphis, Tennessee. (AP Photo/Adrian Sainz)

SOUTHAVEN, Miss. — Authorities say a gunman fatally shot two people and wounded a police officer before he was shot and arrested Tuesday at a Walmart in northern Mississippi.