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Missing Malaysia Airlines plane 'may have turned back'

9 March 2014 Last updated at 18:30 GMT

Search teams are still trying to establish what happened to a Malaysia Airlines plane that disappeared south of Vietnam with 239 people on board.

Radar signals show the plane - Flight MH370 from Kuala Lumpur to Beijing - may have turned back shortly before it vanished.

Malaysian officials say they are investigating the identities of two passengers, who were flying on stolen passports.

John Sudworth reports from Beijing.

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