Police in Mississippi are looking for a gunman who approached a uniformed officer outside a Biloxi police station and shot him dead.

Authorities say the man walked up to the Biloxi officer in the station’s parking lot Sunday night, shot him multiple times and then ran off.

Firefighters rushed the officer down the street to a hospital emergency room, where he was pronounced dead.

Chief Leonard Papania of the Gulfport Police Department is leading the investigation, along with the Harrison County sheriff and prosecutors’ offices.

Authorities released images showing the suspect wearing navy blue shorts, a black T-shirt, a red beanie cap and dark high top sneakers with red caps.

The slain officer has not been publicly identified.

A law enforcement helicopter has been flying over Biloxi as officers search the area.