It is quite sad the propaganda machine has convinced many that Ukraine hasn't done anything wrong at all. I am still catching up with a lot of the recent history in the region.

https://en.wikipedia.org/wiki/War_in_Donbas

https://en.wikipedia.org/wiki/Minsk_agreements

https://en.wikipedia.org/wiki/Azov_Battalion

I am certainly not saying that Russia didn't take advantage of the situation here. But as always the situation is much more complicated than what is typically presented.