08:35 GMT:

The Crimean parliament building has been seized by an armed group calling itself "Self-defense of the Russian-speaking population of Crimea." The group has said it will only allow legitimate MPs and the speaker of the parliament into the building, Russia-24 TV reports.
...08:37 GMT:

Crimean Premier Anatoly Mogilev has given his contact number to the unknown armed group which seized the parliament's building.
...08:38 GMT:

Ukraine's acting President Aleksandr Turchinov has warned Russia against "military aggression" in Crimea. He stressed that Russian troop movements around the Black Sea Fleet's base in Sevastopol, Crimea, would be seen by Ukraine as act of aggression.
...08:41 GMT:

Russia's Foreign Ministry has said that "large-scale human rights violations," as well as attacks and vandalism are major causes for concern.
...08:41 GMT:

The representatives of the unknown armed group that seized the Crimean administration buildings have informed the region's PM Anatoly Mogilev that they are not authorized to conduct negotiations.
...08:41 GMT:

The center of the city of Simferopol has been closed to traffic, as police widened the security perimeter around the administration buildings.