Prvomajski protesti

Police arrest demonstrators as they march during May Day, in Istanbul, May 1, 2017.

Bangladeshi garment workers shout slogans as they participate in a May Day rally in Dhaka, Bangladesh, May 1, 2017.

Members of the Korean Confederation of Trade Unions and citizens shout slogans during a May Day rally in Seoul, South Korea, May 1, 2017.

Supporters of the Iraqi Communist Party wave communist and national flags during a May Day celebration in Baghdad, Iraq, May 1, 2017.

People hold flags during a demonstration initiated by Germany's nationalist party AfD (Alternative for Germany) on May Day in Erfurt, central Germany, May 1, 2017.

Supporters of the Social Democratic Party and their supporters celebrate May Day in downtown Kiev, Ukraine, May 1, 2017.

Workers take part in a May Day march to the Johannesburg Stock Exchange building on May 1, 2017.

Protesters clash with riot police as they attempt to force their way closer to the U.S. Embassy to mark the global celebration of May Day in Manila, Philippines Monday, May 1, 2017.

Protesters wearing red helmets chant slogans as they take part in rally outside the Greek parliament, in Athens, on Monday, May 1, 2017.

Workers try to remove razor wire which prevents them from marching towards the presidential palace as riot police take defensive position during a May Day rally in Jakarta, Indonesia, Monday, May 1, 2017

A worker lights up a flare during a May Day rally in Jakarta, Indonesia, Monday, May 1, 2017.

People march with red flags with the Christ the Savior Cathedral in the background during a Communist rally to mark May Day in Moscow, Russia, Monday, May 1, 2017.