Politics of Crimea that annexed Crimea to the Russian Federation. While the Russian Federation both claims and administers the Republic of Crimea and the city of Sevastopol as two of its federal subjects, Ukraine continues to assert that Crimea is an integral part of its territory. The Constitution of the Republic of Crimea is the basic law of the Republic of Crimea within the Russian Federation. It was ratified on 11 April 2014 and replaced the previous Constitution of the Autonomous Republic of Crimea that was repealed by the Crimean status referendum. While the Russian constitution was updated to list the Republic of
Annexation of Crimea by the Russian Federation networks there is a movement to gather volunteers who served in the Russian army to go to Ukraine. On 28 February President Putin stated it was of "extreme importance of not allowing a further escalation of violence and the necessity of a rapid normalisation of the situation in Ukraine" in telephone calls with key EU leaders. Already on 19 February the Russian Ministry of Foreign Affairs referred to the Euromaidan revolution as the "Brown revolution". The Federation Council approved that Russia may introduce a limited contingent of Russian troops in Crimea for the security of the Black Sea Fleet and