ພາບຫຼ້າສຸດ ຈາກຢູເຄຣນ ວັນທີ 18 ມີນາ

Police look at portraits of missing political activists and journalists that protesters pasted on the gate of the Crimean interior ministry in Simferopol, March 18, 2014.

Members of a "Maidan" self-defense battalion take part in a training exercise at a Ukrainian Interior Ministry base near Kyiv, March 17, 2014.

A Ukrainian serviceman guards a checkpoint near the village of Strelkovo in Kherson region adjacent to Crimea, March 17, 2014.

Members of a Crimean self-defense unit speak with a motorcyclist waving a Russian flag in Simferopol, Crimea, Ukraine, March 17, 2014.

Members of a Crimean self-defense unit spot check a man's bag on a street in Simferopol, Crimea, Ukraine, March 17, 2014.

Armed men, believed to be Russians, dig trenches near the Ukrainian military base in Perevalnoye outside Simferopol, March 17, 2014.

Pro-Russian people celebrate in the central square in Sevastopol, Ukraine, March 16, 2014.

People wrapped with Russian flags watch fireworks during celebrations after the preliminary referendum results were announced in Lenin Square in the Crimean capital Simferopol, March 16, 2014.

Masked gunmen browse in a shop in Perevalne, Ukraine, March 16, 2014.

A Ukrainian riot police officer tries to shield himself from a road block thrown by pro-Russia supporters near the regional administrative building during a rally in Kharkiv, Ukraine, March 16, 2014.

A woman casts her ballot at a polling station during the Crimean referendum, in Sevastopol, Ukraine, March 16, 2014.