I did some homework, trying to find out what was going on there. I could not find any reliable information confirming your claim. I found the opposite: Russian meddling in Ukrainian internal affairs was the cause of most atrocities.

Also, I wrote two articles addressing the fundamental difference between atrocities committed by Russia in Ukraine and atrocities happening in the West.

1. Why do most Westerners misunderstand Russia?

2. Is Russia an evil empire?