An Air Canada Express flight operating from Montreal collided with a fire truck vehicle on ground upon landing at New York's ‌La Guardia ⁠Airport, ⁠according to flight tracking website FlightRadar24. Following the incident, the U.S. Federal Aviation Administration (FAA) closed the airport until 2 PM ET on Monday.The pilot and copilot of the Air Canada Express flight lost their lives, sources told NBC News, adding that a sergeant and an officer have broken limbs and are in stable condition at a hospital.The New York-bound CRJ-900 plane struck the Port Authority vehicle at a speed of about 24 miles per hour (39 kph), Reuters reported citing Flightradar24 said. The jet was operated by Jazz Aviation, Air Canada's regional partner.The port authority issued a statement about the plane crash incident, saying that Jazz Aviation aircraft struck Port Authority firefighting vehicle that was responding to a separate incident at LaGuardia Airport The ‌FAA notice, accessed by Reuters, showed ​that ​the reason for the ⁠halt at the airport was an emergency ​and there was a high ​probability of an extension, without specifying any details.The New York Fire Department issued a statement on the accident at LaGuardia Airport, saying the authority is responding to the reported incident on the runway at LaGuardia airport, but did not provide further details.Air ​Canada, the FAA and New York Fire Department did not immediately respond to Reuters' request for comment.