The authorities deployed tens of thousands of security forces and banned demonstrations in some cities, hoping to avoid a repeat of the riots that shook the country a week ago.

© Jeff Pachoud/Agence France-Presse — Getty Images

Student demonstrations converged on Saturday with a broader protest movement against rising living costs, heightening a national reckoning.

© Abdul Saboor/Reuters

He was 16 years old and used a pump-action shotgun registered to his mother.

© Jordan Gale for The New York Times

Joining a global movement, President Claudia Sheinbaum signed a decree requiring the removal of a range of material for people under 18 and held out the prospect of tougher measures.

© Marco Ugarte/Associated Press

Our reporter Ségolène Le Stradic reports from Paris as labor unions rally in solidarity with high school students protesting school conditions.