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Flight 662 landed safely at Dulles 13 minutes earlier than its scheduled time.

The Boeing 757 aircraft got a military escort to Dulles, after the call came out just before 9:00 p.m. All passengers on board the plane were allowed to de plane except for the disorderly person.

Police and EMS escorted the disorderly man off the plane. He was handcuffed and placed in the back of a police cruiser. Tweets on this topic speculated that the man experienced some kind of "emotional or mental problem."

United spokeswoman Megan McCarthy told the Associated Press the crew declared an emergency because a passenger wasn't following flight attendant instructions for landing.

No injuries were reported.