Update: 3:06 p.m.: CNN has a video wherein you can hear the disruption. It's embedded below.
Update, 12:30 p.m.: The flight's on the ground, but it will need to restock its alcohol supply. Details after the original.
Update, 11:23 a.m.: American has confirmed the incident, and says two flight attendants were injured. The airline's statement is after the original item.
Original item: An American Airlines flight moments from take-off at DFW was sent back to the gate this morning after a flight attendant began ranting over the PA system about the plane crashing and eventually had to be restrained by passengers and flight attendants, according to two passengers on the flight.
Flight 2332, scheduled to take off for Chicago at 8:25 a.m., was back at the gate by 9:15 as police escorted the flight attendant, kicking and screaming, to one of the several police cars that surround the plane on the tarmac, passengers say.