About 70,000 police and security officers, mobilized ahead of mass protests, will try to avert the arson and looting that shocked the country last weekend.

Younger people have been at the forefront of protests in a dozen European countries this fall.

Hundreds of students, inspired in part by student unrest in neighboring France, have taken to the streets of the eastern Belgian city of Liège, with local media reporting ‌107 arrests in recent days.