Supporters of the Iraqi Communist Party take part in a May Day celebration in Baghdad, Iraq, Thursday, May 1, 2014. (AP Photo)
Supporters of the Iraqi Communist Party take part in a May Day celebration in Baghdad, Iraq, Thursday, May 1, 2014. Workers held protests, parades, strikes and other demonstrations in cities across the world on Thursday to mark the first of May, or International Workers' Day. (AP Photo)
An elderly couple dances as local citizens gather to mark May Day in Slovyansk, eastern Ukraine, Thursday, May 1, 2014. Russian state news media were quick to dismiss the protests as the work of Ukrainian neo-Nazis, a particularly loaded accusation because Ukrainian nationalists collaborating with the Nazis are blamed for horrific reprisal attacks during World War II. (AP Photo)
Local citizens march with red and former Soviet flags as they mark May Day in Slovyansk, eastern Ukraine, Thursday, May 1, 2014. Russian state news media were quick to dismiss the protests as the work of Ukrainian neo-Nazis, a particularly loaded accusation because Ukrainian nationalists collaborating with the Nazis are blamed for horrific reprisal attacks during World War II. (AP Photo)
Palestinian labor activists chant slogans as others hold bowls during a march for the International Labor Day at the Palestine square in Gaza City, northern Gaza Strip, Thursday, May 1, 2014. The Arabic reads, "The hunger bowl, poor and hungry, where is the conscience," According to the United Nations Office for the Coordination of Humanitarian Affairs, the unemployment rate in the Gaza Strip is one of the highest in the world. Gazans say the Israeli blockade and the Egyptian crackdowns on smuggling tunnels at the border is depriving them from earning a decent living. (AP Photo)
Supporters of the Iraqi Communist Party chant slogans during an International Worker's Day, or Labour Day, rally in Baghdad May 1, 2014.(Photo:Reuters)
Workers from the militant labor organization Kliusang Mayo Uno (May 1st Movement) burn an effigy of Philippine President Benigno Aquino III to mark Labor Day celebrations on Thursday, May 1, 2014, (AP Photo)
Workers wearing traditional funeral clothing shout slogans during a May Day rally to pay tribute to the victims of the sunken ferry Sewol in Seoul, South Korea, Thursday, May 1, 2014. (AP Photo)
Workers pay tribute to the victims of the sunken ferry Sewol during a May Day rally in Seoul, South Korea, Thursday, May 1, 2014. An off-duty captain of the sunken South Korean ferry has told investigators that the owners ignored his warning that the ship shouldn't carry too much cargo because it wasn't very stable, a prosecutor said Wednesday. (AP Photo)
France's far-right National Front candidate leader Marine Le Pen delivers her speech at Opera during the traditional May Day march in Paris, Thursday May 1, 2014. (AP Photo)
A gay rights activist wearing a mask walks ahead of a squad of gay rights activists during a tradition May Day rally in St.Petersburg, Russia, Thursday, May 1, 2014.
(AP Photo)
Protesters from various workers' unions hold banners and placards during a march to mark the Labor Day in Hong Kong, Thursday, May 1, 2014. The protesters demanded better workers' rights. The paper cut out clocks read "8 hours work, 8 hours independent time and 8 hours rest." (AP Photo)
Members of pro-communist union PAME march in May Day protests in the Northern Greek city of Thessaloniki on Thursday May 1, 2014. Thousands of protesters attended in three separate peaceful rallies in Thessaloniki, with demonstrations aimed at ongoing austerity measures in the crisis-hit country, that have caused a dramatic rise in poverty and unemployment. (AP Photo)
Members of pro-communist union PAME march in May Day protests in the Northern Greek city of Thessaloniki on Thursday, May 1, 2014. Thousands of protesters attended in three separate peaceful rallies in Thessaloniki, with demonstrations aimed at ongoing austerity measures in the crisis-hit country, that have caused a dramatic rise in poverty and unemployment. (AP Photo)
Workers demonstrate carrying union banners during May Day celebrations, in Paris, Thursday May 1, 2014. Tens of thousands of workers marked May Day in European cities with a mix of anger and gloom over austerity measures imposed by leaders trying to contain the eurozone's intractable debt crisis. (AP Photo)
Indian laborers use wooden tools to stir water as they work at a salt pan on International Labor Day or May Day on the outskirts of Chennai, India, Thursday, May 1, 2014. (AP Photo/)
Demonstrators gather for a rally in Trafalgar Square during a May Day Trades Unions workers' rights protest march in London, Thursday, May 1, 2014. This year's annual May Day protest had special emphasis on paying tribute to the lives of Bob Crow, the late general secretary of Britain's Rail, Maritime and Transport union and socialist politician Tony Benn who both died recently. (AP Photo)
A worker demonstrates carrying a board reading : " Social dislocation" during May Day celebrations, in Paris, Thursday May 1, 2014. Tens of thousands of workers marked May Day in European cities with a mix of anger and gloom over austerity measures imposed by leaders trying to contain the eurozone's intractable debt crisis. (AP Photo)
Protesters from various workers' unions hold banners and placards during a march to mark the Labor Day in Hong Kong, Thursday, May 1, 2014. The protesters demanded better workers' rights. The paper cut out clocks read "8 hours work, 8 hours independent time and 8 hours rest." (AP Photo)