Flights from the KL International Airport 2 will be delayed until tomorrow due to a ruptured airport fuel line, AirAsia X said today.

In a statement, the low-cost airline said the rupture prevented aircraft from refuelling at all P bay gates at the airport.

"We sincerely apologise for any inconvenience. The incident occurred during maintenance work by Malaysia Airports Holdings Bhd.

"A total of 4,564 passengers on 14 AirAsia X flights departing between 6pm today and 1am tomorrow will be affected," it said.

Passengers are to contact the airline for further information and assistance through its live chat.

- Bernama