Vadim Shishimarin had pleaded guilty to killing the 62-year-old man.
A Ukrainian court sentenced a Russian soldier to life in prison on Monday for killing an unarmed civilian in the first war crimes trial arising from Russia's Feb. 24 invasion.
Vadim Shishimarin, a 21-year-old tank commander, had pleaded guilty to killing the 62-year-old man in the northeastern Ukrainian village of Chupakhivka on Feb. 28 after being ordered to shoot at him from a car.
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