تصاویری از اوکراین - ۴ مارس

Russian soldiers fire warning shots at the Belbek air base, outside Sevastopol, Ukraine, March 4, 2014.

Ukrainian officers arrive for talks as Russians guard at the Belbek air base, outside Sevastopol, Ukraine, March 4, 2014.

A Russian soldier marches as he and comrades block the Ukrainian infantry base in Perevalne, Ukraine, March 4, 2014.

Russian military armored personnel carriers drive from Sevastopol to Simferopol, Crimea, Ukraine, March 4, 2014.