Well, thanks for the Kremlin perspective. This is a massive spin on the actual situation, in which Russian agents deliberately destabilized the Donbass region.
"Toward the end of February 2014, unidentified military figures, later confirmed to be Russian personnel, surrounded the airports in Crimea, a majority-Russian peninsula in Ukraine. The Crimean autonomous assembly was then seized by pro-Russian forces."
https://commonslibrary.parliament.uk/research-briefings/cbp-9476/