Witchcraft causes street fights between Zlatan and Lukaku.

Tutomercato reported:Lukaku told Zlatan I will see you after the gameZlatan replied with a laugh, So go call your mother.Lukaku was furious and Zlatan continued to tell him:Little donkey, go to your mom and do the magic of voodoo and continueHe then insults Romulus mother.The two former teammates clashed with each other, forcing the other players to separate
Are you talking about my mother? Lukaku said in response to Zlatans insult.And then he started ugly family prostitution.
Zlatans sarcasm to Lukaku about witchcraft goes back to a story told by one of Evertons Iranian managers, Farhad Moshiri.

Everton offered Lukaku a better deal than Chelsea, and Lukaku and his agent attended a meeting to sign the contract.
Everything was going well until Lukaku called his mother.His mother said he had met a witch and had been told that Lukaku should go to Chelsea.Of course,
Lukaku rejected this story and eventually went to Manchester United instead of Chelsea.
Lukaku even later threatened Moshiri who would sue him for the story.