Russia reacts to US president's Syria strike tweets

Moscow responded that it wasn't backing down from White House taunts. More troops are heading to Douma and Syria is positioning aircraft at a Russian base on the Mediterranean coast. Subscribe to us on YouTube: https://goo.gl/lP12gA Download our APP on Apple Store (iOS): https://itunes.apple.com/us/app/cctvn... Download our APP on Google Play (Android): https://play.google.com/store/apps/de... Follow us on: Facebook:   / chinaglobaltvnetwork   Instagram: https://www.instagram.com/cgtn/?hl=zh-cn Twitter:   / cgtnofficial   Pinterest:   / cgtnofficial   Tumblr:   / cctvnews   Weibo: http://weibo.com/cctvnewsbeijing