An Air Canada Express plane reportedly collided with a ground vehicle, likely a fire truck, at New York's LaGuardia airport.
Audio of the air traffic control (ATC) tower surfaced on social media, with officials yelling, 'Stop, stop, stop!' in panic.
The US Federal Aviation Administration (FAA) issued a ground stop for all planes at the New York airport, citing an emergency.
The pilot and co-pilot of the Air Canada Express plane are reportedly badly injured, and at least four others are injured after the accident.
The Port Authority said in a statement that at approximately 11:40pm (local time) on Sunday, Jazz Aviation flight was involved in the incident on runway 4 at the LaGuardia airport.