A civil servant, a health worker and the son of a police officer explain how their belief for democracy has driven them to violence in Hong Kong's ongoing protests. SUBSCRIBE to our YouTube channel for more videos: www.youtube.com/skynews Follow us on Twitter: twitter.com/skynews Like us on Facebook: www.facebook.com/skynews Follow us on Instagram: www.instagram.com/skynews For more content go to news.sky.com and download our apps: Apple: itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB