Screams, chaos, blood on the floor: passengers describe terrifying turbulence on flight SQ321 The Guardian‘Sheer terror’: Passengers describe turbulence-hit plane that plummeted and put 20 in intensive care Yahoo! VoicesThese are the flight routes with the most turbulence Fox Business‘All hell broke loose’: Passengers on Singapore Airlines flight describe nightmare at 37,000 feet CNNSingapore Airlines Incident: These Are the World’s Most Turbulent Flight Routes Bloomberg