The United Airlines flight UA2005 from Chicago to Minneapolis was diverted to Dane County Regional Airport in Wisconsin on Friday night. It was reported that a security concern arose due to a passenger causing trouble on board. There were no injuries among the 147 passengers and 6 crew members on the plane. The FBI Milwaukee office was informed about the diversion, and the Madison office along with local law enforcement intervened at the airport. The Dane County Sheriff's Office confirmed that law enforcement support was requested from the plane. Sheriff office officials stated that the passenger causing the problem was detained and then the passengers continued the flight. Communications with air traffic control revealed that the passenger tried to enter the cockpit but was restrained by the crew. The passenger was seated and surrounded by two law enforcement officers. The flight reached Minneapolis smoothly after departing from Madison.