Russia has killed civilians in Ukraine. Kyiv’s defense tactics add to the danger.
https://www.washingtonpost.com/world/2022/03/28/ukraine-kyiv-russia-civilians/

>Even if Ukraine violates its responsibilities under international law,
>“that doesn’t mean Russia gets a pass to do whatever it wants,
>” Weir said. If civilians are killed near a military position or equipment,
>Russia still can be held responsible for a possible war crime if its attack was indiscriminate and disproportionate against the civilian population.

こう書いてあるでしょう