The targeted restrictions are part of a state effort to reassert control after the country’s largest riots in years, as those arrested in the chaos face expedited trials.

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The police’s treatment of the student last month sheds light on how a wave of school unrest evolved into national protests that spilled into widespread riots on Saturday.

The interior minister acknowledged that the police were underprepared for the scale of the riots. But Prime Minister Sébastien Lecornu defended their efforts and pledged to restore order.

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