Singapore Airlines Skyjacking in 1991.
In March four Pakistani dissidents seized a Singapore Airlines flight from Kuala Lumpur to Singapore and ordered the pilot to fly to Australia. The plane landed at Singapore Airport, ostensibly to refuel, and local authorities thereupon began negotiations. After an 8-hour standoff, commandos stormed the plane and killed all four hijackers. None of the 118 passengers aboard the aircraft was injured.
source: Collier Year Book
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