Six men were removed from an airplane at the Minneapolis-St. Paul International Airport Monday evening. Sources say the men, of Middle Eastern ethnicity, behaved in a manner that caused the crew to be concerned. The men were taken off the plane after it returned to the gate and are being questioned by authorities. The remaining passengers were also taken off the flight, U.S. Airways flight 300, bound for Phoenix. Those passengers are being re-screened for boarding. There were 170 passengers on board the plane, which is a Boeing 757. Stay with FOX 9 News and MyFOX9.com for continuing updates on...