Photos: With Ukraine in Disarray, Crimea Heats Up
As unrest continues in Ukraine, pro-Russian forces cause further turmoil in Crimea at the southern tip of the country.
Armed, masked men in unmarked military uniforms patrol outside Simferopol International Airport in Crimea. Another confrontation is under way at Sevastopol International Airport.
Ukraine's fledgling leadership has called the airport occupations by forces affiliated with Russia an invasion. Meanwhile, former president of Ukraine Viktor Yanukovych has reappeared in Russia after a week on the run.
Ukraine's interior minister called the airport seizures "a direct provocation," but there has been no violence so far. Russia's Black Sea Fleet, based on the Crimean Peninsula, has denied involvement. (Related: "After Ukraine Crisis, Why Crimea Matters")
In Kiev, Oleksandr Turchynov, Ukraine's acting president, convened a meeting of the country's National Security and Defense Council. The parliament has urged Russia to "stop moves that show