Police clashed with 'yellow vests' and 'black blocs'; demonstrations are also taking place in Russia and Turkey.
May Day demonstrations in Paris, which are usually peaceful and focused on wage demands, are being marked by clashes between radical demonstrators and the police. According to the French Interior Ministry, 151,000 people are rallying across the country, 16,000 of which in Paris. At least 380 people were detained by the authorities. 38 were injured, including 14 officers.
Police used tear gas to disperse hundreds of 'black blocs' - dark-clad anti-capitalist and anti-fascist protesters with their faces covered. A protester was wounded in the head.
Read more in Folha de S. Paulo