Complete the following sentence: Igor Vsevolodovich Girkin (,; 17 December 1970), also known by the alias Igor Ivanovich Strelkov (), is a Russian army artillery veteran who played a key role in the Annexation of Crimea by the Russian Federation, and later the War in Donbas as an organizer of the Donetsk People's Republic's militant groups. Igor Vsevolodovich Girkin (,; 17 December 1970), also known by the alias Igor Ivanovich Strelkov (), is a Russian army artillery veteran who played a key role in the Annexation of Crimea by the Russian Federation, and later the War in Donbas as an organizer of the Donetsk People's Republic's militant groups. Igor Vsevolodovich Girkin (,; 17 December 1970), also known by the alias Igor Ivanovich Strelkov (), is a Russian army artillery veteran who played a key role in the Annexation of Crimea by the Russian Federation, and later the War in Donbas as an organizer of the Donetsk People's Republic's militant groups. Girkin mu ẹgbẹ kan ti awọn militants sinu Ukraine ibi ti o ti kopa ninu awọn
Wọ́n ká ìlú Sloviansk. Lakoko ogun naa o mu ipa rẹ pọ si ati nikẹhin o di olori ologun ti gbogbo awọn ologun olominira ni agbegbe Donbas, eyiti o jẹrisi nipasẹ Alakoso Alakoso Donetsk People's Republic Alexander Borodai ti o yan ọ gẹgẹbi Minisita Aabo osise.