Pro-Russian forces have taken over Ukraine's naval base headquarters in Sevastopol. FT Moscow correspondent Courtney Weaver reports from the southern Crimean city on the significance of the move and likely developments.<br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Subscribe to the Financial Times on YouTube; http://goo.gl/vUQx5k<br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes