Fatal Singapore Airlines flight was hit by gravitational force and 178ft drop in 4 seconds dailystar.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailystar.co.uk Daily Mail and Mail on Sunday newspapers.
Passengers aboard Singapore Airlines flight SQ321 say they momentarily went into "zero gravity" when the flight suddenly fell thousands of feet in heavy turbulence