Authorities are looking for a “person of interest” in a fatal stabbing Sunday at a park in Owatonna. They say it’s believed 28-year-old Hassan Nur Hassan is driving a tan 2000 Honda Accord four-door sedan, Minnesota license EGG-087. 32-year-old Mohamed Aweis Mohammed of Owatonna died of a stab wound to the chest. Investigators recovered two knives in the area.