Malaysia's handling of Flight MH370's disappearance faced new criticism on Monday after an interim investigation uncovered a dud beacon battery and more potential missed opportunities to track the plane a year ago.
The international investigation team set up by Malaysia released its interim report on Sunday, the first anniversary of the disappearance. It contained no new clues on what caused the plane to vanish with 239 passengers and crew aboard.
But analysts and next of kin raised questions over some findings, including the revelation that the beacon battery on the flight data recorder had expired more than a year before the flight.
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