MINOT, N.D. (AP) -- Police say four people have been killed at two residences in the North Dakota city of Minot.
Minot police Sgt. Shane Haug tells The Associated Press on Friday night that a female was found in a home and three other victims were found in a trailer home in the city about 100 miles north of Bismarck.
Police say the deaths are being treated as homicides and that a "person of interest" is being questioned.
Minot has a population of about 36,000 and is home to the Minot Air Force Base, which has about 4,800 active-duty military personnel.
It's also in the shadow of the state's booming oil patch and has benefited from the region's increased crude production in recent years.