Two Air Canada passengers were pulled from their Orlando-bound flight before takeoff from Toronto's Pearson Airport after another passenger spotted them watching video of the 9/11 terror attacks.

QMI Agency columnist Joe Warmington, on his way to cover the Conrad Black story in Florida, was on the same plane when another passenger alerted the flight crew after spotting the young boy watching video on his iPod of the planes smashing into the World Trade Centre, just before the plane took off for U.S. airspace.

Air Canada officials confirmed to the Sun the two passengers, a man and a boy, were watching video of the 9/11 attacks before flight AC922 departed Tuesday night.

"Other passengers and our crew became concerned," Air Canada spokesman Peter Fitzpatrick told the Sun Wednesday. "The passengers were deplaned and following an investigation allowed to travel (Wednesday) morning.