Few stuck around to see the end of the march. The streets were slick with the spray of the water cannons police had used to break up groups of lingering students. Read more...
Photo: A hooded student guards his high school after student protesters took over the campus during a march on Aug. 28. The hooded protesters, known as encapuchados, stacked chairs from their classrooms against the school’s front gates. To enter a campus and break up a takeover, police need a warrant, which can take up to two weeks to secure.

