Filipino activists and workers burn an effigy of Philippine President Benigno Aquino III and US Uncle Sam during a protest rally marking International Labor Day outside the gate of Malacanang presidential palace in Manila, Philippines, on May 1. Thousands of Filipino workers hold Labor Day protests in Manila calling on Philippines President Benigno Aquino III for an immediate wage hike due to increasing cost of living.

Protestors clash with Turkish riot police during the May Day rally in Istanbul, Turkey. Turkish police and protesters clashed in central Istanbul on May 1 after authorities moved to prohibit traditional Labour Day rallies at Taksim Square. Police used water cannons and tear gas against the demonstrators near Taksim Square. Witnesses reported clashes in several neighbourhoods in the area.

Masked policemen take cover behind shields during clashes at a May Day demonstration on May 1, in Istanbul.

Protestors chant slogans as they stand at the windows of the DISK ( Confederation of Revolutionary Trade Unions of Turkey) building on May 1, in Istanbul. Several people were injured on Wednesday as Turkish riot police used water canon and tear gas to disperse hundreds of protesters who defied a May Day ban on demonstrations in a central part of Istanbul.

Danish Prime Minister Helle Thorning-Schmidt, is met with strong protests during her May Day speech on May 1 at Tangkroen in Aarhus, Denmark.

Demonstrators raise their fists during a demonstration on May 1. A strike stopped ferry services to the Greek islands and disrupted public transport in the capital Athens ahead of May Day protests Wednesday against Greece's prolonged economic austerity policies.

South Korean riot policemen spray tear gas at protesters during a rally marking 123th World Labor Day in Seoul, South Korea on May 1. The protesters attended the demonstration demanding an improvement of working conditions for temporary workers.

An elderly Russian Stalinist stands in front of a column of demonstrators with a portrait of Stalin during a traditional May Day communist demonstration, in Moscow, Russia. People from around the world are marking May 1 (May Day) as International Labour Day.

A supporter of opposition party Vetevendosje (Self-determination) hits at a police cordon during a protest in Pristina, Kosovo, on Oct. 22. Kosovo police fired teargas at the crowd attempting to storm the parliament in Pristina to protest against talks of Kosovo's Prime Minister Hashim Thaci with his Serbian counterpart Ivica Dacic last week in Brussels, Belgium. The protest was called by the Kosovo Albanian nationalist movement Vetevendosje (Self-determination), which fiercely opposes the EU-sponsored talks with Serbia aimed at improving relations. Serbia refuses to accept Kosovo's 2008 decleration of independence and Vetevendosje insists that Pristina should not negotiate with Belgrade as long as it continues to claim sovereignty over its breakaway province.

A Kosovo police officer and a protester spray each other with pepper spray, during a protest in the Kosovo capital Pristina on Monday, Oct. 22. Kosovo police in riot gear fired tear gas and used batons to disperse dozens of ethnic Albanians protesting a meeting between Prime Minister Hashim Thaci and Serbian leader Ivica Dacic. Protest early Monday was called by Self-Determination, a hardline opposition group that opposes any talks with Serbia.

A protester from the Kosovo opposition party "Vetevendosja" (Self-determination) clashes with police forces during a demonstration in Pristina on Oct. 22. Police fired tear gas in Kosovo on Monday to disperse opposition activists demonstrating against a meeting last week in Brussels between Kosovo Prime Minister Hashim Thaci and his Serbian counterpart Ivica Dacic. Dozens of protesters and police officers were injured during the protest.

French firemen inspect damage inside a leisure centre after overnight clashes where gangs of youths set cars and buildings ablaze in Amiens on Aug 14. About 100 youths burned cars, a leisure centre and a nursery school according to an official from the prefect's office.

French police stand guard near cars destroyed in overnight clashes where gangs of youths set cars and buildings ablaze in Amiens August. About 100 youths burned cars, a leisure centre and a nursery school according to an official from the prefect's office.

Students march during a protest in demand of President Sebastian Pinera's government to improve public education quality in Santiago, on August 8.

A public bus is seen in flames during a demonstration against the government to demand changes in the public state education system in Santiago on August 8. Chilean students have been protesting against what they say is profiteering in the state education system.

Students clash with a riot police vehicle during a demonstration against the government to demand changes in the public state education system in Santiago, August 8. Chilean students have been protesting against what they say is profiteering in the state education system.

An 'Occupy London'' protester hands out flowers to commuters in a central London train station to mark May Day, May 1.

People march on a sidewalk during a May Day protest in New York on May 1. People around the world are gathering for May Day protests against austerity measures and calling for higher wages. In the United States, the Occupy Wall Street movement is trying to use May Day to rejuvenate.

Workers clean the vandalized windows of a Bank of America branch in Washington, Tuesday, May 1. In the US, May Day demonstrations, strikes and acts of civil disobedience were planned, including what could be the country's most high-profile Occupy rallies since the anti-Wall Street encampments came down in the fall.

A protester affiliated with the Occupy Wall Street movement is stopped by the police as he stands in the middle of Sixth Avenue during a protest march to the Bank of America headquarters in New York City May 1. Occupy Wall Street joins labor groups for a day of protests on Tuesday to mark International Workers Day and to try to breathe fresh life into the movement that sparked a wave of nationwide protests against economic injustice eight months ago.

California Highway Patrol officers take positions at the Golden Gate Bridge in anticipation of May Day demonstrations in San Francisco, California May 1. Authorities anticipated demonstrators would shut down the bridge, but agreement was reached to prevent that action.

People march past a bank during a May Day protest in New York. People around the world are gathering for May Day protests against austerity measures and calling for higher wages. In the United States, the Occupy Wall Street movement is trying to use May Day to rejuvenate.

Occupy Wall Street demonstrators dance as hundreds of protesters gather during a May Day labor rally in Bryant Park on May 1, in New York City. Demonstrators have called for nation-wide May Day strikes to protest economic inequality and political corruption.

An unexploded mortar shell, left from recent fighting between security forces and tribal militants loyal to the powerful al-Ahmar family, is seen on a road in the vicinity of government buildings in the Yemeni capital Sanaa on Jan. 17.

Military deminers dig to remove an unexploded mortar shell left from recent clashes between security forces and tribal militants loyal to the powerful al-Ahmar family in the Yemeni capital Sanaa January 17.

A protester throws a tear gas canister, which was earlier thrown by riot police during clashes along a road which leads to the Interior Ministry, near Tahrir Square in Cairo on Nov, 22. Egyptians frustrated with military rule battled police in the streets again on Tuesday as the generals scrambled to cope with the cabinet's proffered resignation after bloodshed that has jolted plans for Egypt's first free election in decades.

A riot policeman fires a shotgun with rubber bullets at protesters during clashes along a road which leads to the Interior Ministry, near Tahrir Square in Cairo November 22.

Protesters carry a wounded man during clashes with the Egyptian riot police near Tahrir square in Cairo, Egypt, Tuesday, Nov. 22. Egypt's civilian Cabinet has offered to resign after three days of violent clashes in many cities between demonstrators and security forces, but the action failed to satisfy protesters deeply frustrated with the new military rulers.

Palestinians take part in a rally in the West Bank city of Hebron September 21. Flag-waving Palestinians filled the squares of major West Bank cities on Wednesday to rally behind President Mahmoud Abbas's bid for statehood recognition at the United Nations despite U.S. and Israeli objections.

Palestinian boys burn tires close to an Israeli army checkpoint near the Jewish settlers zone of Abraham Avino in the centre of the West Bank city of Hebron on September 21.

Israeli soldiers keep their position during clashes with Palestinian stone throwers at the Qalandia checkpoint between the West Bank city of Ramallah and Jerusalem on September 21.

Israeli soldiers detain a Palestinian youth during clashes that erupted between the soldiers and Palestinian stone-throwers at Qalandiya checkpoint on September 21. The clashes erupted after a rally in the nearby West Bank city of Ramallah in support of Palestinian President Mahmoud Abbas' bid for statehood recognition in the United Nations.

A journalist tends to a Palestinian youth who was hit in the face with a tear gas canister fired by Israeli security forces during clashes that erupted between Israeli troops and Palestinian stone-throwers at Qalandiya checkpoint September 21. The clashes erupted after a rally in the nearby West Bank city of Ramallah in support of Palestinian President Mahmoud Abbas' bid for statehood recognition in the United Nations.

Protesters clash with police in front of Ukrainian parliament in Kiev, Ukraine, September 20. More than 10,000 people, among them Afghanistan war veterans, demonstrated in the Ukrainian capital Kiev to protest proposed benefit cuts, with some of the marchers attempting to break police cordons around the national parliament building. Veterans of the 1986 Chernobyl nuclear power accident also participated in the street protests. Like Afghanistan war veterans, Ukraine's Chernobyl victims face reduced pensions and medical payments if parliament passes a cost-cutting bill currently under debate. Protesters shouted ‘Shame’ along with insults, as police struggled to keep demonstrators from overturning barriers. The International Monetary Fund (IMF) officials have said cash-strapped Ukraine must reduce numbers of people receiving social payments and the size of those payments, to obtain further IMF financing.

A police officer tries to stop emergency workers, who fought the blaze at the Chernobyl nuclear reactor, and veterans of the 1979-89 Soviet Afghan war during a protest against the adoption in parliament of a bill abolishing their social benefits in Kiev, Ukraine, Tuesday, Sept. 20.

A woman wears a Tee-shirt with a portrait of former Ukrainian Prime Minister Yulia Tymoshenko during a protest as riot police stand guard in front of parliament in Kiev, Ukraine, Tuesday, Sept. 20. About thousand people took part in the protest action against the draft law, which provides for the cancellation of privileges for 16 categories of people, including veterans of the Soviet war in Afganistan and emergency workers, who fought the blaze at the Chernobyl nuclear reactor.

Protesters stand in front of Ukrainian parliament after their clash with police in Kiev, Ukraine, on September 20. Veterans of the 1986 Chernobyl nuclear power accident also participated in the street protests. Like Afghanistan war veterans, Ukraine's Chernobyl victims face reduced pensions and medical payments if parliament passes a cost-cutting bill currently under debate. Protesters shouted ‘Shame’ along with insults, as police struggled to keep demonstrators from overturning barriers.

Relatives of the 1979-89 Soviet Afghan war victims react as they take part in a protest rally against Ukrainian authorities' initiative to cut social benefits near the Parliament headquarters in Kiev on September 20. Hundreds of Ukrainians, mostly veterans of the 1979-89 Soviet Afghan war protesting against plans to cut their payouts and subsidies, tried to storm into the parliament building and scuffled with police on Tuesday.

Anti-riot police officers use colored water to disperse opposition supporters in the Kireka area on the outskirts of Kampala on August 17. Ugandan police fired teargas and water cannon to disperse opposition supporters who had gathered in a Kampala suburb on Wednesday to mourn people killed during demonstrations earlier this year, witnesses said.

Opposition supporters run as anti-riot police officers use colored water to disperse them in Kireka area, on the outskirts of Uganda's capital Kampala, August 17. Ugandan police fired teargas and water cannon to disperse opposition supporters who had gathered in a Kampala suburb on Wednesday to mourn people killed during demonstrations earlier this year, witnesses said.

Ugandan anti-riot police officers use coloured water to disperse opposition supporters in Kireka area, on the outskirts of the capital Kampala, August 17. Ugandan police fired teargas and water cannon to disperse opposition supporters who had gathered in a Kampala suburb on Wednesday to mourn people killed during demonstrations earlier this year, witnesses said.