An American Airlines Boeing 757-200, registration N191AN performing flight AA-54 from Chicago O'Hare,IL (USA) to Manchester,EN (UK), was accelerating for takeoff from Chicago's runway 22L when the crew rejected takeoff at high speed. While turning off the runway the crew reported it appeared somebody had misplaced a bag and they needed medical assistance. The aircraft joined taxiway S and crossed runway 10 during taxi back to the gate.
The FAA reported the aircraft aborted takeoff due to an injured flight attendant.
An injured flight attendant??? WT...?