A man holds a placard reading "Hands off May 1" during a May Day rally marking International Workers' Day in Paris, on May 1, 2026. (Photo by Julie SEBADELHA / AFP via Getty Images)

Firefighters on a large ladder photograph the flypast performed by the Swiss Air Force's aerobatic team "The Patrouille Suisse", during the third stage of the Tour of Romandie UCI cycling World tour, a 176.6 km loop from Orbe to Orbe, in Orbe, Switzerland, on May, 1, 2026. (Photo by Fabrice COFFRINI / AFP via Getty Images)

Police officers block Taksim square by fences during a May Day (Labour Day) , marking International Workers' Day, in the Taksim district of Istanbul, on May 1, 2026. At least 370 people were arrested on May 1, 2026 during demonstrations in Istanbul curbed by a heavy police deployment, a lawyers' association present at the rallies said. (Photo by BERK OZKAN / AFP via Getty Images)

Members of North Macedonian trade unions carry a banner 'We fight for wages, we do not beg' during a protest for workers' rights on May day (or Labor Day) rally marking International Workers' Day in Skopje on May 1, 2026. (Photo by Robert ATANASOVSKI / AFP via Getty Images)

Members of North Macedonian trade unions carry a banner 'We fight for wages, we do not beg' during a protest for workers' rights on May day (or Labor Day) rally marking International Workers' Day in Skopje on May 1, 2026. (Photo by Robert ATANASOVSKI / AFP via Getty Images)

Police officers block Taksim square by fences during a May Day (Labour Day) , marking International Workers' Day, in the Taksim district of Istanbul, on May 1, 2026. At least 370 people were arrested on May 1, 2026 during demonstrations in Istanbul curbed by a heavy police deployment, a lawyers' association present at the rallies said. (Photo by BERK OZKAN / AFP via Getty Images)

Police officers block Taksim square by fences during a May Day (Labour Day) , marking International Workers' Day, in the Taksim district of Istanbul, on May 1, 2026. At least 370 people were arrested on May 1, 2026 during demonstrations in Istanbul curbed by a heavy police deployment, a lawyers' association present at the rallies said. (Photo by BERK OZKAN / AFP via Getty Images)

Sri Lanka's President and National People's Power (NPP) party leader Anura Kumara Dissanayake greets his supporters during a rally to mark International Labour Day in Colombo on May 1, 2026. (Photo by Ishara S. KODIKARA / AFP via Getty Images)