New York, March 23 -- An Air Canada Express aircraft arriving from Montreal was involved in a collision with a ground vehicle while landing at New York's La Guardia Airport on Sunday (local time), four firefighters were reportedly injured in the collision and are said to be in critical condition. The plane's pilot and co-pilot were also badly hurt, reported NBC News.

The incident prompted aviation authorities to halt operations at the busy airport, raising concerns over potential disruptions to flight schedules. The US Federal Aviation Administration (FAA) issued a ground stop for all incoming and outgoing flights at La Guardia, initially set to remain in effect until 0530 GMT (local time), as per an official notice.

The FAA indicated t...