Traditionally a union-led day of action in the country, this year’s event brought both the “yellow-vest” movement and so-called “black blocks” of dark-clad protesters onto the streets.
Some smashed shop windows and threw projectiles at the more than 7,000 officers deployed.
Police responded with tear gas and water cannon, and arrested 380 people.
About 38 people were wounded, including 14 officers – one of whom was hit in the head with a paving stone. Read more at BBC news