Flights from Kuala Lumpur 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.