In US, one person was killed and three others were injured after two small planes collided while attempting to land at a Colorado airport on Sunday.

Axar.az reports, citing ABC news, a Cessna 172 and an Extra Flugzeugbau EA300 were both approaching Fort Morgan Municipal Airport when they struck each other mid-air, according to the Federal Aviation Administration (FAA).

Two occupants of the Cessna sustained minor injuries and were treated at the scene, while one occupant of the second plane was taken to a local hospital.

The fourth person was pronounced dead at the scene by the Morgan County Coroner's Office, officials said.

The FAA and National Transportation Safety Board (NTSB) are investigating the cause of the collision.