Unidentified gunmen wearing camouflage uniforms block the entrance of the Crimean Parliament building in Simferopol, Ukraine, Saturday, March 1, 2014. The discord between Russia and Ukraine sharpened Saturday when the pro-Russian leader of Ukraine's Crimea region claimed control of the military and police and appealed to Russia's president for help in keeping peace there. Poster reads "Crimea Russia". (AP Photo/Ivan Sekretarev)