Annexation of Crimea by the Russian Federation Prime Minister, Dmitry Medvedev, declared that Crimea had been fully integrated into Russia. Until 2016 these new subjects were grouped in the Crimean Federal District. On 8 August 2016, Ukraine reported that Russia had increased its military presence along the demarcation line. In response to this military buildup Ukraine also deployed more troops and resources closer to the border with Crimea. The Pentagon has downplayed a Russian invasion of Ukraine, calling Russian troops along the border a regular military exercise. On 10 August, Russia claimed two servicemen were killed in clashes with Ukrainian commandos, and that Ukrainian servicemen had been
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