ພາບຫຼ້າສຸດ ໃນຢູເຄຣນ

A Ukrainian serviceman stands guard at a Ukrainian military base as a uniformed man, believed to be a Russian serviceman, walks nearby in Perevalnoye outside Simferopol, March 6, 2014.

Uniformed men, believed to be Russian servicemen, walk in formation near a Ukrainian military base Perevalnoye, outside Simferopol, March 6, 2014.

A uniformed man, believed to be a Russian serviceman, stands guard near a Ukrainian military base in Perevalnoye, outside Simferopol, March 6, 2014.

The Ukrainian frigate Hetman Sahaydachy enters the waters of the Black Sea port of Odessa, Ukraine, March 6, 2014.