CHICAGO --A plane slid off the runway at O'Hare International Airport Friday afternoon.
The incident involved a Boeing 737, United Airlines Flight #734.
There are no reports of any injuries.
The Chicago Fire Department is on the scene.
Passenger Don Dodge posted photos of what happened on Twitter and said, "I've flown 2 million miles and never seen this before."
This is a developing story. Check back for details.