Demonstrators destroy an effigy depicting Philippine President Rodrigo Duterte as a mythical creature, during a Labor Day protest, in Quezon City, Metro Manila, Philippines, May 1, 2021.

A woman raises a placard during a Labor Day protest, in Quezon City, Metro Manila, Philippines, May 1, 2021.

People march during a protest to mark the International Labour Day in Madrid, Spain, May 1, 2021.

A protester holds a placard at a left wing May Day demonstration in front of the Federal Administrative Court, as the spread of the coronavirus disease (COVID-19) continues in Leipzig, Germany, May 1, 2021. The placard reads, "Grandmothers against the right".

Nurses attend a symbolic protest and tribute for health workers on Labour Day, amid the spread of the coronavirus disease (COVID-19), in Brasilia, Brazil May 1, 2021. Image used for illustrative purpose

A demonstrator reacts as he attends the traditional May Day labour union march, amid the coronavirus disease (COVID-19) outbreak in Paris, France, May 1, 2021.

Demonstrators hold banners near the Home Office, as they march during a "Kill the Bill" protest in London, Britain, May 1, 2021.

Firefighters carry police officer away from clashes during the traditional May Day protests, amid the coronavirus disease (COVID-19) outbreak in Paris, France, May 1, 2021.

Protesters attend a left-wing May Day demonstration, as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, May 1, 2021.

People attend a left-wing May Day demonstration, as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, May 1, 2021.

A demonstrator holds a sign during a "Kill the Bill" protest in Bristol, Britain, May 1, 2021.

Protesters march by One World Trade Center during a May Day rally for media workers held by The NewsGuild of New York on International Workers' Day in Manhattan, New York City, New York, U.S., May 1, 2021.

Demonstrators release coloured smoke during a "Kill the Bill" protest at Trafalgar Square in London, Britain, May 1, 2021.

Firefighters work to extinguish a fire during a left-wing May Day demonstration, as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, May 1, 2021.

A person holds a smoke grenade while attending a May Day demonstration in Los Angeles, California, U.S., May 1, 2021.

People wave flags in front of the Hollenbeck Police Station as they attend a May Day demonstration in Los Angeles, California, U.S., May 1, 2021.

A supporter of Venezuela's President Nicolas Maduro holds a painting with the image of Simon Bolivar while participating in a march to commemorate May Day in Caracas, Venezuela, May 1, 2021.

People gather at Riverfront Park for the May Day Second Amendment rally in Salem, Oregon, U.S., May 1, 2021.

People gather at the entrance of a building where Amazon CEO Jeff Bezos owns units during a May Day rally on International Workers' Day in Manhattan, New York City, New York, U.S., May 1, 2021.

Police officers detain a protester at a demonstration against the government measures to curb the spread of the coronavirus disease (COVID-19), in Berlin, Germany, May 1, 2021.

Police officers move a protester from a road during a "Kill the Bill" protest at Trafalgar Square in London, Britain, May 1, 2021.

A demonstrator holds a placard during a May Day protest in Bristol, Britain, May 1, 2021.

A cat sits in a bicycle basket of a demonstrator during a "Kill the Bill" protest in London, Britain, May 1, 2021.

Demonstrators march during a "Kill the Bill" protest in London, Britain, May 1, 2021.

French riot police stand in formation during clashes with protesters as part of the traditional May Day protests, amid the coronavirus disease (COVID-19) outbreak in Paris, France, May 1, 2021.

People attend a left-wing May Day demonstration, as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, May 1, 2021.

Demonstrators take part in a "Kill the Bill" protest in Bristol, Britain, May 1, 2021.

Police officers walk past a fire during a left-wing May Day demonstration, as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, May 1, 2021.

Pro-immigration activists march to the U.S. Capitol calling for immigration reform on May Day in Washington, U.S., May 1, 2021.

A demonstrator with a sign attached to his head takes part in a "Kill the Bill" protest in London, Britain, May 1, 2021.

A demonstrator holds a placard during a May Day protest in Bristol, Britain, May 1, 2021.

Workers protest against far-right Brazilian President Jair Bolsonaro during May Day in Sao Paulo, Brazil, May 1, 2021.

Joseph Saint and his twin brother James of Gresham, hold American flags and sing Amazing Grace during a May Day Second Amendment rally at Riverfront Park in Salem, Oregon, U.S., May 1, 2021.

A person holds a sign during a May Day rally on International Workers' Day in Manhattan, New York City, New York, U.S., May 1, 2021.

An organizer with Anakbayan, a grassroots organization of Filipino youth organizers, speaks at the end of a May Day March celebrating international workers day and promoting unity, in Portland, Oregon, U.S., May 1, 2021.

Demonstrators throw lilacs at the feet of law enforcement during a protest outside of Portland's Immigration and Customs Enforcement building on May Day in Portland, Oregon, U.S., May 1, 2021.

A protester attends a left wing bicycle May Day demonstration as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, May 1, 2021.

Protesters kneel as they raise placards during a Labor Day protest, in Quezon City, Metro Manila, Philippines, May 1, 2021

A demonstrator holds a placard during a May Day protest in Bristol, Britain, May 1, 2021.

A member of the press walks during the traditional May Day protests, amid the coronavirus disease (COVID-19) outbreak in Paris, France, May 1, 2021.

Police officers stand on the street during a feminist rally ahead of May Day demonstrations, in Berlin, Germany, April 30, 2021.

A demonstrator with a placard mounted to their bag-pack attends a counter-protest during a rally against the government measures to curb the spread of the coronavirus disease (COVID-19), in Berlin, Germany, May 1, 2021. The placard reads, "Masks on, Nazis out".

A man carries a cross at a demonstration against the government measures to curb the spread of the coronavirus disease (COVID-19), in Berlin, Germany, May 1, 2021.

A police officer wearing a patch reading, "vaccinated", stands guard next to a car with a card on it during a protest against the government measures to curb the spread of the coronavirus disease (COVID-19) in Weimar, Germany, May 1, 2021. The card reads, "be brave to use your brain".

Police use a water cannon during a left-wing May Day demonstration, as the spread of the coronavirus disease (COVID-19) continues in Hamburg, Germany, May 1, 2021.

Protesters attend a left wing May Day demonstration as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, May 1, 2021.

Police officers walk past the Rote Flora cultural centre during a left-wing May Day demonstration, as the spread of the coronavirus disease (COVID-19) continues in Hamburg, Germany, May 1, 2021.

Demonstrators march during a "Kill the Bill" protest in London, Britain, May 1, 2021.

Pro-immigration activists rally near the U.S. Capitol calling for immigration reform on May Day in Washington, U.S., May 1, 2021.

A person attends a May Day demonstration in Los Angeles, California, U.S., May 1, 2021.

Supporters of the Venezuelan opposition participate in a protest to demand salary increases, during a May Day rally in Caracas, Venezuela, May 1, 2021.

Turkish riot police officers scuffle with demonstrators as they attempt to defy a ban and march on Taksim Square to celebrate May Day, during a nationwide "full closure" imposed to slow the rate of the coronavirus disease (COVID-19) contagion, in Istanbul, Turkey May 1, 2021.

People attend the traditional May Day labour union march, amid the coronavirus disease (COVID-19) outbreak in Paris, France, May 1, 2021.

Protesters attend a left wing May Day demonstration, as the spread of the coronavirus disease (COVID-19) continues in Leipzig, Germany, May 1, 2021. The placard reads "Nazis out!".

SENSITIVE MATERIAL. THIS IMAGE MAY OFFEND OR DISTURB Protesters hold signs during a left wing May Day demonstration, as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, May 1, 2021.

A demonstrator holds a placard during a May Day protest in Bristol, Britain, May 1, 2021.

People take part in a protest against the measure of the government during Labour Day holiday, as the spread of the coronavirus disease (COVID-19) continues?in Brussels, Belgium, May 1, 2021.

A man wears a mask depicting Brazil's former President Luiz Inacio Lula da Silva, as workers protest against far-right Brazilian President Jair Bolsonaro during May Day, in Sao Paulo, Brazil, May 1, 2021.

Supporters of Venezuelan President Nicolas Maduro hold placards saying ?Yankee go home? as they participate in a march to commemorate May Day in Caracas, Venezuela, May 1, 2021.