Two Planes Collide at Arizona Airport, Killing 1 and Injuring 3, Officials Say

A midsize plane that had just landed at Scottsdale Airport in Arizona on Monday afternoon veered off the runway and crashed into a business jet on a tarmac, killing one person and injuring three others, the authorities said.

The crash happened at about 2:45 p.m., when a Learjet 35A that went off the runway after landing and then crashed into a Gulfstream 200 business jet that had been on the ramp, according to the Federal Aviation Administration. The jets are both midsize and one was parked on private property, said Kelli Kuester, the aviation planning and outreach coordinator for the Scottsdale Airport.

One person was dead at the scene, two others were taken to local trauma centers in critical condition, another was taken to a hospital in stable condition and one was still be extricated from the crash on Monday evening, hours after the accident, Capt. Dave Folio of the Scottsdale Fire Department at a news conference.

All flights were paused and runways were shut down. The F.A.A. is investigating.

It was not immediately clear why the Learjet 35A went off the runway.

This is a developing story.