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Malaysia plane MH370: Robotic sub mission resumes

16 April 2014 Last updated at 02:10 BST

The robot submarine sent to find wreckage from the missing Malaysia Airlines plane has resumed its search.

The Bluefin-21 had its first mission cut short after exceeding its operating limit of 4,500m (15,000ft) and was brought back to the surface.

It will continue to scour the bed of the southern Indian Ocean to try to determine whether signals detected last week by sound-locating equipment were from the plane's flight recorders.

Phil Mercer reports from Perth.

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