The preliminary finding gives investigators a new line of inquiry as they study a crash that killed all but one of the plane’s passengers.

An Air India flight bound for New Delhi was forced to return to Hong Kong shortly after takeoff on Monday due to what the airline called a "technical issue" — the second serious incident involving one of its Boeing 787 Dreamliners in less than a week. CBS News reported that Flight AI315 departed as ...

There have been cases of a very small number of survivors in very serious accidents, but it is "very rare" for there to be only one, a professor told Newsweek.