Overview
- Federal regulators issued a ground stop for LaGuardia and said a formal investigation is underway into the collision.
- The aircraft was an Air Canada Express Bombardier CRJ-900 operated by Jazz Aviation arriving from Montreal.
- Air-traffic-control audio reported by media captures a vehicle cleared to cross the runway and then told to stop seconds before impact.
- Media reports cite four injured, including the pilot and copilot seriously, and two Port Authority officers with limb fractures in stable condition.
- Flight-tracking data indicate an impact speed of roughly 39–48 km/h, and multiple flights were delayed, canceled, or diverted during the shutdown.