United Flight 1551 diverted to Dulles

- United Airlines Flight 1551 from Newark to Guatemala was rerouted to Washington Dulles yesterday after a passenger allegedly tried to open a door mid-flight. - Reports say the passenger also assaulted another traveler; the plane made an emergency landing at Dulles on May 22, media said yesterday. - The incident followed ongoing Newark operational issues; investigators and airlines are reviewing the May 22 event, officials said. (nbcnews.com)