Seems we can assume with high confidence that Prigozhin was on board. Several (ex) Wagner sources say he was in a 9-person delegation to Mali to try and prevent Gru from displacing Wagner from that country and Africa in general. The group was on the way back, stopover in Belarus
— Christo Grozev (@christogrozev) August 23, 2023
Russian channels VchK -OGPU, known for leaks from FSB, publishes a corroborating leak: that Prigozhin rushed back from Mali to deal with the Wagner-out-of-Africa plans, entrusted to the GRU.
— Christo Grozev (@christogrozev) August 23, 2023