Demonstrators have gathered to protest conditions, with thousands massing under heavy police surveillance. Unions and teachers have joined high school students in the protests, which have been ongoing for days. The demonstrations have been marked by violent confrontations.

Further details about the protests are available, including the scale of the demonstrations and the response of authorities. The situation involves thousands of people and has been subject to heavy police surveillance.

More information can be found about the protests and the demands of the demonstrators, including the role of unions and teachers in the demonstrations.