These two reactions stood out to me.

First from exiled former oil magnate Mikhail Khodorkovsky:

We need to help now, and then, if necessary, we will fight this one, too," Khodorkovsky, a former oil tycoon who fell foul of the Kremlin, wrote on social media. He said it was important to back “even the devil” if he decided to take on the Kremlin. "And yes, this is just the beginning.

Second from the Combat Organization of Anarcho-Communists:

In this fight between two cannibals, anarchists should stay away—let them bleed each other as much as possible. That way, they won’t be able to disturb people in the future.