Tourette's campaigner John Davidson shouted the "n-word" and other expletives during the ceremony.

"I assure you that I will do better next time," one superintendent wrote about not calling for a delay or snow day on Wednesday.

Sheinbaum called Musk’s allegations, presented without evidence on his social media platform X, absurd.

At least one former top official is in active talks with prosecutors about serving as a cooperating witness.

Officials said the situation has returned to normal following widespread violence sparked by the killing of drug lord El Mencho on Sunday.