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MH370 mystery: Investigators can’t rule out ‘unlawful interference by a third party’

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On March 8, 2014, flight MH370 disappeared on its way from Kuala Lumpur to Beijing with 239 people on board. In their final report on the case, investigators said they are “unable to determine the real cause for disappearance.” Officials also said they cannot rule out “unlawful interference by a third party.” NBC News London correspondent Kelly Cobiella reports for TODAY.