New Delhi, June 1 (IANS) A Ukrainian national was killed and three others were injured when a bus hit them at the Indira Gandhi International (IGI) Airport here early Sunday. According to a spokesperson of the Delhi International Airport Ltd (DIAL), the accident took place around 1 a.m. when a bus carrying the crew members of an international flight hit the passengers.

The driver has been arrested and the police were investigating if the incident took place by mistake or because of the driver’s negligence.

According to an airport official, the passengers arrived at the Terminal 2 of the airport on an inter-terminal transfer coach when the were hit.

“They were pulling out their luggage from the boot of the bus when another bus hit them from behind,” an airport police official said.

The Ukrainian passenger, Mikhialov, died on the spot and the injured were taken to a hospital, where two were discharged later in the day. But the condition of one of the passengers is serious, the official said.

This is a second death in an accident at IGI airport within a week. Last Sunday, a member of the ground staff of Jet Airways died after being hit by a DIAL ambulance.

Earlier on March 27 this year, a 30-year-old worker was crushed to death by a bulldozer, while in yet another accident case, a 27-year-old engineer of Air Deccan, Sanskriti Sinha, was found dead between the airport’s taxiway and the ramp in October last year.

The DIAL officials said it has taken a serious view of such incidents. “We have set a speed limit of 15 km for the vehicles running inside the airport premises. We will plan out other measures shortly to ensure such incidents do not recur,” an official said.