Russian forces, joined by unarmed volunteers, stormed Ukraine's naval headquarters in the Crimean port of Sevastopol and raised their flag, an attempt by Russian military to remove any threat or armed resistance in Crimea. 

U.S. warned Moscow that it is headed towards increasing isolation. Russia and the West have been in confrontation over Putin's annexation of Crimea. The United Nations Secretary General Ban Ki-Moon will met Putin on Thursday to try to push for a peaceful settlement of the crisis. 

SEE ALSO: Ukraine Crisis Timeline: How It Unfolded

Read more at The New York Times.