Thousands, potentially in masks and costumes, are expected on the streets on Saturday, prompting the authorities to prepare another vast security response.

© Manu Brabo/Getty Images

While the police kept a lid on vandalism, the huge number of protesters and France’s fraught politics suggest unrest could grow.

© Manu Brabo/Getty Images

After largely peaceful marches on Saturday, clashes broke out in the evening. But a large-scale police presence, 1,000 arrests and the rerouting of protest routes kept a lid on wholesale vandalism.

© Philippe Lopez/Agence France-Presse — Getty Images

Government officials are trying to avoid a repeat of last weekend’s unrest across the country, which injured police officers and damaged stores.

© Abdul Saboor/Reuters