(FILES) Firefighters manage the damaged entrance hall at Nelson Mandela High School in Nantes, western France on October 1, 2026. after a 'deliberately set fire' engulfed the lobby of the establishment which was under blockade by students. Two 16-year-old high school students were placed under formal investigation on November 5, 2026 for having caused the partial fire at the Nantes high school Nelson-Mandela, where they were enrolled, it was learned from the prosecutor's office. (Photo by Sebastien Salom-Gomis / AFP via Getty Images)