Investigators in India are studying the black boxes of a Boeing 787 Dreamliner after recovering them from the aircraft wreckage to ascertain the cause of last week’s plane crash that left at least 270

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As per flight tracking data, at least nine Air India flights that were to be operated using the Boeing 787 aircraft have been cancelled so far on Tuesday.

The aircraft struck a medical college hostel in a residential part of Ahmedabad, killing 241 of the 242 people on board.