Fargo Police arrested a man they say doused a southside home with gasoline and threated to start the house on fire. The incident took place at 1717 13 1/2 St. S. Tristan Patrick Olson, 25 years old of Fargo, had doused the house with gasoline and threatened to start the house on fire. Officers responded, set up a perimeter and tried to establish communication with Olson for several hours. Fargo Fire assisted officers with making the house safe to enter. A team of officers cleared the house without finding Tristan. Olson was just located and detained nearby. He will be provided medical attention and transported to the Cass County Jail for Terrorizing.