Ministers, officials and police under pressure over response to protests as government holds crisis talks amid ‘colossal failure of the state’

The French president, Emmanuel Macron, has criticised “unbridled violence” after one of the most violent days of unrest in years left public buildings burned, hundreds of shops destroyed and looted and at least 2,400 people arrested in cities across the country.

“Watching these images, we have all asked ourselves how could French people do this to France?” he said in a televised address.

Four children allegedly ‘mutilated’ by explosive weapons and lawyers say unprecedented number held in custody

French lawyers and rights groups have said that several teenagers have suffered war-like injuries from police weapons used during school protests, and an unprecedented number of children have been held in police custody, some of whom reported being hit or racially insulted.

France is in the fourth week of its biggest youth protest movement in decades, during which hundreds of high schools across the country have been blockaded as students demand the replacement of absent teachers and repairs to decrepit buildings.

Swedish activist Greta Thunberg joins teenagers calling for investment to fix teacher shortages and crumbling schools

More than 160,000 schoolchildren, students and trade unionists have marched in cities across France as protests over high school education continued into a third week and many demonstrators denounced policing tactics.

Riot police fired teargas at the end of Tuesday’s marches in Nantes and near the Montparnasse area of Paris, but most of the demonstrations over teacher shortages, overcrowded classes and crumbling school buildings held in cities including Lyon, Lille and Marseille were peaceful.

MEP Raphaël Glucksmann issues call after becoming social democrat candidate for 2027 presidential election

The European lawmaker Raphaël Glucksmann has urged the French centre left to wage an “existential battle” to prevent Marine Le Pen’s far right winning the 2027 presidential election after he was chosen as the social democrat candidate for the presidency.

“We’ve got to rid our hearts of the spirit of defeat,” Glucksmann, the founder of the small party Place Publique, said on Monday morning after his decisive win in a centre-left primary race held by the Socialist party.

Unprecedented protests that began in low-income suburb are turning ugly, with investigations under way into police brutality

• Europe live: latest updates from protests in France

Before dawn on Tuesday outside the Lycée Sophie-Germain in central Paris, hundreds of teenagers dragged wheelie bins, metal barriers and shopping trolleys to build a barricade outside the front door of their secondary school.

Climbing to the top of the piles of bins, pupils held banners calling for more funding and greater equality in French schools.