A person is dead following an assault Sunday morning in Hartford, South Dakota.

The Minnehaha County Sheriff’s Office says deputies were dispatched to the 800 block of Turtle Creek Drive at about 8:44 Sunday morning, for a reported assault that left a victim critically injured.

Emergency medical personnel provided life-saving aid, but the victim was pronounced dead.

Authorities say a suspect is in custody, and there is no threat to the public.

The investigation is ongoing. The South Dakota Highway Patrol, Hartford Area Fire and Rescue, Avera Careflight, and Humboldt Ambulance assisted at the scene.