NATO Secretary General, Jens Stoltenberg, has called on Russia to withdraw its troops as he describes Ukraine crisis as a 'deteriorating situation'.

He says NATO is trying to find a peaceful political situation and it is helping Ukraine to defend itself.

SUBSCRIBE 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/skynewsespanol

To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales