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New clues in search for Malaysia Airlines MH370

19 March 2014 Last updated at 23:20 GMT

Transmissions detected at hourly intervals suggest Malaysia Airlines flight MH370 was moving for several hours after communications with the craft were lost, the BBC has learned.

But could the data reveal the location of the plane which went missing on 8 March with 239 people on board?

The BBC's Andy Moore reports.