Brazil's right-wing President Jair Bolsonaro and ex-president Luiz Inacio Lula da Silva stage competing rallies that are expected to become previews of their campaigns for presidential elections.
Police fired tear gas to push back black-clad protesters who ransacked business premises during May Day demonstrations against the policies of President Emmanuel Macron.
The Benalla affair is just one manifestation of Emmanuel Macron's opaque and authoritarian style of government.
People in Wuhan, where Covid-19 first emerged, lived through more than two months of stringent restrictions during the world's first coronavirus-induced lockdown. Since then the city has been almost completely virus-free.
Hundreds of thousands of people across the globe joined traditional International Labour Day protests, gathering despite coronavirus restrictions.
People are being urged to post a "short video to social media thanking a worker who's made a difference to you" with the hashtags #mayday and #ThankAWorker.
Prime Minister Sebastian Kurz said there was no place for the terror group's "extreme left ideology" in Austria after it unfurled banners at a May Day event in Vienna.
Tens of thousands of labour union and "yellow vest" protesters were on the streets across France, days after President Macron outlined a response to months of street protests including tax cuts worth around $5.6 billion.
Macron, who came to power just over a year ago on an economic reform platform, has been mired in a furore involving his former senior bodyguard, who was caught on camera assaulting a May Day protestor while off duty and wearing police gear.
50 years on from the May 1968 student protests which mushroomed into a nationwide movement and brought France to its knees, historians and those who lived it now say the spirit of the era is slipping away.
A rally turned into a violent protest in Paris where police fired tear gas to disperse hundreds of people, protesting against government's economic policies.
Workers across the world on Tuesday marked the International Labor and Solidarity Day, also known as May Day, with large rallies and demonstrations.
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