BREAKING: Over 450 Russian troops killed in Ukraine - UK Defence Secretary

The UK's Defence Secretary Ben Wallace has told Sky News that Russia has lost more than 450 troops since invading Ukraine.For the latest developments: https://news.sky.com/story/explosions-reported-near-kyiv-after-putin-authorises-military-operation-in-ukraine-ukraine-latest-12541713SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on Twitter: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews For more content go to http://news.sky.com and download our apps: Apple: https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/skynewsespanolSky News videos are also available in German here/Hier können Sie außerdem Sky News-Videos auf Deutsch finden: https://www.youtube.com/channel/UCHYg31l2xrF-Bj859nsOfnATo enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales