Dozens remain in hospital after ‘severe’ turbulence on Singapore Airlines flight
Commercial pilot Ken Christensen joins ‘Fox News Live’ to explain the dangers of ‘clear-air turbulence’ and urges passengers to always wear a seatbelt. #FoxNews Subscribe to Fox News! https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com Watch Fox News Channel Live: http://www.foxnewsgo.com/ FOX News Channel (FNC) is a 24-hour all-encompassing news service delivering breaking news as…