PARIS — French authorities say they're bracing for possible acts of sabotage and other violence when tens of thousands of protesters are expected to respond to online calls to disrupt the country on Wednesday, potentially compounding France's latest political crisis triggered by the government's collapse.

The “Bloquons Tout” (Block Everything) movement gathered steam on social media and in encrypted chats over the summer, before François Bayrou's ouster as prime minister in a parliamentary confidence vote on Monday.

Its called-for day of blockades, strikes, demonstrations and other acts of protest on Wednesday is now falling as President Emmanuel Macron — one of the movement's targets — is installing a fourth prime minister in 12 months. Sébastien Lecornu, the outgoing defense minister,

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