Medical staff stand outside a Walmart store, Tuesday, July 30, 2019, in Southaven, southeastern US state of Mississippi. [Photo: IC]

Two people were killed and one police officer was injured as a result of a shooting at a Walmart in Southaven, in the southeastern US state of Mississippi, on Tuesday morning.

The shooting occurred between 6:30 a.m. (1130 GMT) and 6:40 a.m. (1140 GMT) local time, according to local police.

The two victims, believed to be employees of the store, were found dead when police arrived.

Police also said that the suspect was shot and taken to a local hospital with injuries.

An officer was shot and is being treated and is expected to recover.

Southaven, a city of some 49,000 residents, is near the Mississippi-Tennessee border.