Whatever it was, it looks like it is over.
Some say "coup" attempt, some say protest against Russian Military Leadership.
Looks like they made a deal and he is now stationed or "exiled" in Belarus.
If you look at google Maps, Kyiv the capital of Ukraine is very near and reachable from the borders of Belarus.
Maybe they will start a military campaign together, Wagner troops and Belarusian troops, against the capital of Ukraine.