Annexation of Crimea by the Russian Federation military intervention in Ukraine "until normalization of a socio-political environment in the country". Putin's swift manoeuvre prompted protests of intelligentsia and demonstrations in Moscow against a Russian military campaign in Crimea. By 2 March, Russian troops moving from the country's naval base in Sevastopol and reinforced by troops, armour, and helicopters from mainland Russia exercised complete control over the Crimean Peninsula. Russian troops operated in Crimea without insignia. On 4 March Ukrainian General Staff claimed there are units of 18th Motor Rifle Brigade, 31st Air Assault Brigade and 22nd Spetsnaz Brigade deployed and operating in Crimea instead of Russian Black
Annexation of Crimea by the Russian Federation Republic of Crimea and southern and eastern Ukraine. The Crimean autonomous government strongly supported Yanukovych and condemned the protests, saying they were "threatening political stability in the country". The Crimean autonomous parliament said that it supported the government's decision to suspend negotiations on the pending association agreement and urged Crimeans to "strengthen friendly ties with Russian regions". On 4 February 2014, the Presidium of the Supreme Council considered holding a referendum on the peninsula's status, and asked the Russian government to guarantee the vote. The Security Service of Ukraine (SBU) responded by opening a criminal case to investigate the possible