Thai Airways International’s second-quarter loss more than doubled as the global economic slowdown, fierce competition and a strengthened baht took their toll on revenue. The company reported a 6.88 billion baht ($223.7 million) loss in the second quarter, compared with a 3.1 billion baht deficit a year earlier, according to a filing to Thai exchange late on Friday. Revenue declined 10 per cent to 42.5 billion baht.

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