The announcement follows a statement from owner Yevgeny Prigozhin accusing Russian Defense Minister Sergei Shoigu of ordering a rocket strike on Wagner’s field camps in the Ukraine where its soldier are fighting on behalf of Russia against Ukranian forces.
That doesn’t mean a lot.
They don’t have much of a working relationship with the truth.
I think it’s probably safe to say that if the Russian state media says the FSB want to arrest him, then the FSB probably do want to arrest him.