KENT, Wash. -- A woman in her 20s is dead after a shooting in Kent Sunday night.

Police say the gunman appears to be her boyfriend, a male in his mid-to-late 20s. He also shot another woman in the leg before turning the gun on himself. The suspect has life-threatening injuries. A woman in her 40s is being treated for a gunshot wound to the leg. Police say other people were in the home, but were not injured.

Police described the neighborhood as rural and locked down surrounding areas for the investigation. However, they are confident the only suspect is now being treated at Harborview. Police say the incident began as an argument and escalated into a shooting, but did not elaborate on the circumstances.

KING 5 has a crew on the scene and will continue to update this developing story.