The CEO of Singapore Airlines issued an apology after a flight on Tuesday, May 21, was hit with extreme turbulence, killing one person and injuring dozens.The flight was headed from London to Singapore when it “encountered sudden extreme turbulence” about 10 hours after departing, the airline said.The plane dropped more than 6,000 feet (1800m) in three minutes and was forced to make an emergency landing in Bangkok.73-year-old British national Geoff Kitchen died of a suspected heart attack during the flight, according to widespread reports.Singapore Airlines CEO Goh Choon Phong said the airline was “very sorry for the traumatic experience” for those on flight SQ321.In a video statement he said the airline was cooperating with relevant authorities on their investigations.79 passengers and six crew members including the injured, were still in Bangkok as of Wednesday morning. Credit: Singapore Airlines via Storyful