When Ukrainian soldiers marched on a Crimean airbase to reclaim it from Russian forces there was a tense stand-off as Moscow reasserted its claim to the peninsula.

Now, eight years on, Moscow is using the Crimea as one of its launchpads for the invasion of Ukraine. Report by Guinnesse. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn