Subscribe to our YouTube channel for free here: sc.mp/subscribe-youtube Read more: sc.mp/f70f32 Confined space, a lack of legroom, stress-provoking boarding procedures and airlines’ cost-saving measures are a recipe for conflicts among air passengers, observers say, following a number of heated disputes aboard Hong Kong flights. Experts add that social media has fuelled a “copycat effect” in which people imitate disruptive behaviour and aggressive responses they have seen online. Support us: subscribe.scmp.com Follow us on: Website: scmp.com Facebook: facebook.com/scmp Twitter: twitter.com/scmpnews Instagram: instagram.com/scmpnews Linkedin: linkedin.com/company/south-china-morning-post #scmp #HongKong #HongKongtransport