French police clashed with thousands of activists who took to the streets of Paris to demand an end to police brutality.
Riot police fired tear gas to disperse the crowds gathered at Place de la Republique, as protestors chanted "No justice, no peace".
While the controversial death of George Floyd in the US has resonated with the French, Saturday's rally was also in honour of Adama Traoré, a young black man who died in French police custody in 2016.
"The death of George Floyd has a strong echo in the death in France of my little brother," said Adama's sister Assa. "What's happening in the United States is happening in France. Our brothers are dying."
Meanwhile, protests were held in other countries on Saturday, including Taipei, Zurich and London, to honour Floyd.
The US House of Representatives rejected an effort on Thursday to stop President Donald Trump's air war on Iran and require that any hostilities against Iran be authorized by Congress, backing the Republican president's military campaign.
Foreign ministers from the Gulf Cooperation Council (GCC) and the European Union have strongly condemned the Iranian attacks targeting GCC states, calling them a direct threat to regional and global security.
US President Donald Trump claimed the right to join Iran in deciding its next leader as the war escalated, with US and Israeli jets hitting areas across the country and Gulf cities coming under renewed attack.
British Prime Minister Keir Starmer said on Thursday that four additional Typhoon fighter jets would be sent to Qatar amid the ongoing regional developments, insisting that the UK has the right plan for defence.