Deadly plane crash at New York’s LaGuardia Airport

There’s new video of the deadly collision between the Air Canada jet and the fire truck heading to another plane that had declared an emergency. We speak to people who were on the plane and have the latest on the investigation, as we learn one air traffic controller was doing two jobs that night - which is common during low traffic times. NBC News’ Sam Brock has the latest. Editor’s Note: A previous version of this report included an animation of the Air Canada plane landing on the incorrect run