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The Tamil Tigers attempted to crash two aircraft laden with C-4 in suicide attacks on Colombo, Sri Lanka, but the planes were shot down before they reached their targets.

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Liberation Tigers of Tamil Eelam
Tamil militant organisation in Sri Lanka (1976–2009)
The Liberation Tigers of Tamil Eelam was a Tamil militant organization, that was based in the northern and eastern Sri Lanka. The LTTE fought to create an independent Tamil state called Tamil Eelam in the northeast of the island in response to violent persecution and…Source: Wikipedia (CC BY-SA)
2009 suicide air raid on Colombo
Failed terrorist attack in Sri Lanka
On February 20, 2009, the air wing of the Tamil Tigers separatist militia launched a suicide attack against military locations in and around Colombo, Sri Lanka, using two weaponized light aircraft. It is speculated that the raids were intended to mimic the September 11 attacks,…Source: Wikipedia (CC BY-SA)
C-4 (explosive)
Variety of plastic explosive
C-4 or Composition C-4 is a common variety of the plastic explosive family known as Composition C, which uses RDX as its explosive agent. C-4 is composed of explosives, plastic binder, plasticizer to make it malleable, and usually a marker or odorizing taggant chemical. C-4 has…Source: Wikipedia (CC BY-SA)
Colombo
Capital and largest city of Sri Lanka
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