Vadim Shysimarin accused of killing civilian on 28 February while fighting in Sumy region in north-east Ukraine
The first war crime trial since Vladimir Putin ordered the invasion of Ukraine has opened in Kyiv in a watershed moment.
Vadim Shysimarin, a 21-year-old Russian commander of the Kantemirovskaya tank division, allegedly killed a civilian on 28 February in the village of Chupakhivka while fighting in the Sumy region in north-east Ukraine.