PARIS – French police are conducting dozens of raids against people linked to radical Islamists after a teacher was beheaded on the street last week, Interior Minister Gérald Darmanin told Radio Europe 1 on Monday.

Police operations, which began Monday morning, are focused on people who are already on police files because French security services say they have shown “signals” of radicalization, such as sharing sermons and messages on social networks, Darmanin said.

About 50 Muslim aid agencies are also being attacked by police this week, the minister said, and some are being disbanded.

The police actions are part of a broader response in France, including by the government, to the murder of a high school teacher, Samuel Paty, by a young Chechen immigrant on Friday for teaching caricatures of the Prophet Muhammad during a discussion on free speech.

Tens of thousands of people took to the streets across France on Sunday to protest the murder and show solidarity with Mr Paty.