LOS ANGELES (AP) — An airline plane being towed on a taxiway collided with a flight coach at Los Angeles International Airport late Friday, injuring five people.

The Federal Aviation Administration said Saturday it is investigating the incident involving an American Airlines Airbus A321. There were no passengers on board.

The airport said on Twitter that the plane was being towed from the gate to the parking lot when it “came into contact” with a shuttle bus transporting passengers between terminals.

The Los Angeles Fire Department said four people were taken to the hospital after the “low-speed collision” that happened around 10 p.m. The driver of the tow truck pulling the plane was in moderate condition, while the driver and two passengers of the bus were in fair condition. state, the department reported.

The only person on the plane, a worker, was treated, but he refused to be taken to the hospital, according to the fire department.

There were no interruptions in the operation of the airport, the airport reported.

A large jet tire mark was reportedly visible, and the windshield of the bus was badly damaged. ABC7.com.