Protesters look at balloons in the colours of the Palestinian flag flying in the sky during a rally commemorating May Day, in Athens, Greece, May 1, 2024. REUTERS/Louiza Vradi

Riot police gather around a demonstrator who is being held on the ground during the traditional May Day labour union march in Paris, France, May 1, 2024. REUTERS/Sarah Meyssonnier

Police officers block Filipino activists from marching towards the U.S. Embassy during a Labor Day protest in Manila, Philippines, May 1, 2024. REUTERS/Lisa Marie David

Meal workers from the Korean Confederation of Trade Unions (KCTU) attend a May Day rally in Seoul, South Korea, May 1, 2024. REUTERS/Kim Soo-hyeon

Fireworks light up over Victoria Harbour for the Chinese Labour Day 'Golden Week' holiday, in Hong Kong, China May 1, 2024. REUTERS/Tyrone Siu

Supporters of the South African opposition party, the Economic Freedom Fighters (EFF), react during the Workers Day community meeting in Hammanskraal, Pretoria, South Africa, May 1, 2024. REUTERS/Alet Pretorius

Members of the Tunisian General Labour Union (UGTT) gather during a rally to mark Labour Day and to support Palestinians in Gaza, in Tunis, Tunisia May 1, 2024. REUTERS/Jihed Abidellaoui

People hold a banner as they attend the traditional May Day labour union march in Paris, France, May 1, 2024. REUTERS/Stephanie Lecocq

Students and revellers listen to the Magdalen College Choir singing hymns from the top of the Great Tower, on Magdalen Bridge during May Day celebrations, in Oxford, Britain May 1, 2024. REUTERS/Dylan Martinez

People walk with a banner as they attend the protest "Take Back The Night - queer feminists fight back", during the so-called Walpurgis Night, ahead of May Day, in Berlin, Germany, April 30, 2024. REUTERS/Christian Mang

Students and revellers listen to the Magdalen College Choir singing hymns from the top of the Great Tower, on Magdalen Bridge during May Day celebrations, in Oxford, Britain May 1, 2024. REUTERS/Dylan Martinez

Protesters scuffle with riot police as they attempt to defy a ban and march on Taksim Square to celebrate May Day in Istanbul, Turkey May 1, 2024. REUTERS/Dilara Senkaya

Labourers react as they protest during a May Day rally in Jakarta, Indonesia, May 1, 2024. REUTERS/Ajeng Dinar Ulfiana

Turkish police officers block a main road to prevent May Day demonstrators from marching through Taksim Square, a famous square banned for May Day celebrations, in Istanbul, Turkey May 1, 2024. REUTERS/Dilara Senkaya




Protesters scuffle with riot police as they attempt to defy a ban and march on Taksim Square to celebrate May Day in Istanbul, Turkey May 1, 2024. REUTERS/Dilara Senkaya

Protesters take part in a rally commemorating May Day, in Athens, Greece, May 1, 2024. REUTERS/Louiza Vradi

People attend the traditional May Day labour union march in Paris, France, May 1, 2024. REUTERS/Sarah Meyssonnier

Filipino activists destroy an effigy depicting Philippine President Ferdinand Marcos during a Labor Day protest near the U.S. Embassy in Manila, Philippines, May 1, 2024. REUTERS/Lisa Marie David

Riot police confront demonstrators during the traditional May Day labour union march in Paris, France, May 1, 2024. REUTERS/Sarah Meyssonnier

People attend a Labour Day rally in Munich, Germany, May 1, 2024. REUTERS/Christine Uyanik

Police officers block Filipino activists from marching towards the U.S. Embassy during a Labor Day protest in Manila, Philippines, May 1, 2024. REUTERS/Lisa Marie David TPX IMAGES OF THE DAY

Protesters hold a Palestinian flag during a rally commemorating May Day, in Athens, Greece, May 1, 2024. REUTERS/Louiza Vradi

A protester raises her fist as she is detained by Turkish police during an attempt to defy a ban and march on Taksim Square to celebrate May Day in Istanbul, Turkey May 1, 2024. REUTERS/Umit Bektas

Police officers block Filipino activists from marching towards the U.S. Embassy during a Labor Day protest in Manila, Philippines, May 1, 2024. REUTERS/Lisa Marie David