Marseille have sacked manager Andre Villas-Boas just hours after he offered his resignation following the deadline day signing of Olivier Ntcham from Celtic.
"Olympique de Marseille announces the pending disciplinary proceedings of Andre Villas-Boas," the club said in a statement.
"This protective decision has become inevitable given the recent repetition of actions and attitudes which are seriously damaging to the Marseille Olympic institution and its employees who defend it daily."
Midfielder Ntcham moved to the Ligue 1 club on loan from the Scottish Premiership side late on Monday, but the former Chelsea and Tottenham manager claims he did not find out about it until reading the news on Tuesday morning.
He has subsequently handed in his notice to the club ahead of Wednesday's trip to Lens.
"It's not a decision I'd taken, I heard about it this morning in the press when I woke up," Villas-Boas said in a press conference, reported by L'Equipe.
"He's a player I said no to. He wasn't on my list, I wasn't going for him.
"I've submitted my resignation to the board, I don't want to breach my contract but I don't agree with the sporting policy.
"For the last two or three years the club have got it wrong with this aspect of transfers.
"The board asked me to take some time. That's no problem. I have a lot of respect for (owner) Frank (McCourt).
"It's not the first time a player the manager didn't want has arrived at a club, but it's not how I work.
"If they so no (to my resignation), we'll carry on. Let me be clear, though, I don't want anything from L'OM, I don't want any money."
Villas-Boas has overseen a run of four successive defeats in all competitions and L'OM are ninth in Ligue 1.
Last weekend's scheduled clash at home to Rennes was postponed three hours before kick-off after "a few hundred individuals from Ultra supporter groups" stormed the club's training ground, requiring police intervention
