South African President Jacob Zuma adresses Marikana miners as he visits the Nkaneng Informal Settlement on August 22 in Rustenburg, South Africa. The President visited Marikana in Rustenburg to address workers at platinum company Lonmin, following the the Marikana tragedy in which 34 striking miners were shot dead and another 78 were wounded by police last week. 10 people were also killed in the week before Thursday's shootings, including two police officers and two mine security guards. Zuma was joined by the inter-ministerial committee investigating the violence.

South African President Jacob Zuma speaks to the leadership of striking Lonmin mineworkers during his visit to Marikana near Rustenburg, South Africa, Aug. 22.

Police officers on strike vandalize the police intelligence headquarters and burn documents in La Paz, on June 22, during a police strike demanding a 70 percent salary increase. At least three people were injured when striking Bolivian police officers clashed with an anti-riot brigade in downtown La Paz Thursday, local media reported.

Police officers on strike stand a protest in front of the Palacio Quemado presidential house in La Paz, on June 22, during a police strike demanding a 70 percent salary increase. At least three people were injured when striking Bolivian police officers clashed with an anti-riot brigade in downtown La Paz Thursday, local media reported.

Police officers on strike vandalize the police intelligence headquarters and burn documents in La Paz, on June 22, during a police strike demanding a 70 percent salary increase. At least three people were injured when striking Bolivian police officers clashed with an anti-riot brigade in downtown La Paz Thursday, local media reported.

Police officers on strike vandalize the police intelligence headquarters and burn documents in La Paz, on June 22, during a police strike demanding a 70 percent salary increase. At least three people were injured when striking Bolivian police officers clashed with an anti-riot brigade in downtown La Paz Thursday, local media reported.

Police demanding salary increases shout slogans on the roof of a police internal affairs building that was sacked and its content burned, in La Paz, Bolivia, on June 22. Protesters were demanding salaries on par with soldiers and a pension equal to 100 percent of their salaries. Bolivian police earn about $144 a month and were not appeased by a 7 percent government-decreed wage increase this year.

An official police photo burns atop a bonfire of burning documents and computers outside a police internal affairs building, in La Paz, Bolivia, on June 22. Protesting police officers sacked the offices, setting its contents on fire, demanding salaries on par with soldiers and a pension equal to 100 percent of their salaries. Bolivian police earn about $144 a month and were not appeased by a 7 percent government-decreed wage increase this year.

Boots hang in a changing room in the partially abandoned and closed Santiago mine, as a result of the coal crisis, near Mieres, Oviedo, Spain, June 18.

Rusting mining carts at the Santa Barbara mine, abandoned seventeen years ago because of the coal crisis in the Turon valley, near Oviedo, Spain.

A bushel grows through the rails of the Figaredo mines, abandoned and closed more than five years ago because of the coal crisis in the Turon valley near Oviedo, Spain.

Posters announcing a general strike on the bolted door of a mine company store at the Santa Barbara mine, abandoned seventeen years ago because of the coal crisis in the Turon valley, near Oviedo, Spain.

An empty office is seen at the facilities of the Santa Barbara mine, abandoned seventeen years ago because of the coal crisis in the Turon valley, near Oviedo, Spain.

Dossiers and files are seen in an office at the Santa Barbara mine, abandoned seventeen years ago because of the coal crisis in the Turon valley, near Oviedo, Spain.

Miners clothes hang in a changing room in the partially abandoned and closed Santiago mine, as result of the coal crisis, near Mieres, Oviedo, Spain.

A banner reads in Spanish "No entry, dangerous, industrial facilities are on the point of collapse" is seen at the main entrance of "La Camocha" mine, abandoned five years ago because of the coal crisis in Hueces, near Gijon, Spain.

A student protester in a panda suit confronts a policeman in downtown Montreal on May 17, 2012. The students are striking over a planned tuition hike of 82 percent or over $1,700 as part of the government's efforts to rein in a budget deficit.

Policemen restrain a student protester.

Thousands of police officers march in London, Britain, on May 10. Over 30,000 police officers marched through the capital protesting against government cuts to the police force. Hundreds of thousands of public sector workers also took part in a national strike in a dispute with the government over pension changes.

Off-duty police officers march in protest at funding cuts through central London on May 10. Thousands of British police officers planned to join striking border officials and healthcare workers on Thursday in a protest against wage caps, pension reforms and other austerity measures.

Off-duty British police officers march through central London, on May 10, in a protest against proposed changes to their pay, conditions and staff numbers. Hundreds of thousands of British public sector workers were set to strike over pensions Thursday and police were due to protest against Prime Minister David Cameron's austerity measures.

A woman walks past several thousand people taking part in a rally called by Spanish trade unions UGT and CCOO in Vigo, northwestern Spain, March 29, during the 24-hour general strike called in Spain to protest against the Government's labor reform.

Protesters shout slogans during a general strike in central Madrid March 29, 2012. Spanish unions said a high turnout for a general strike to protest government budget cuts and reforms on Thursday had almost brought heavy industry to a halt while the government said the day was proceeding normally.

A worker walks past AVE high-speed trains at Madrid's Atocha station during a general strike in Spain March 29, 2012. Spanish unions said a high turnout for a general strike to protest government budget cuts and reforms on Thursday had almost brought heavy industry to a halt while the government said the day was proceeding normally.

A young man is seen bleeding after being struck by police during a national strike in Madrid on March 29, 2012. Unions have called a national strike to protest the labor reforms, which weaken industry-wide work contracts and make it cheaper to lay off workers.

Policemen enter into a scuffle with trade union activists as the activists block a major intersection as part of a countrywide industrial strike in New Delhi, India, on Feb. 28.

Kashmiri Muslim women workers of Accredited Social Health Activist shout slogans against the government during a one-day general strike in Srinagar, India, on Feb. 28.

A driver rests on his iconic yellow ambassador taxi during a country-wide strike in the eastern Indian city of Kolkata, on Feb. 28. Hundreds of thousands of workers from several trade unions went on strike across India on Tuesday to express their anger at soaring prices and to back demands for improved rights for employees, trade unions said.

Indian police officers detain a member of a left-wing party during a protest in support of a general strike in Hyderabad, India, Tuesday, on Feb. 28.

Stranded railway passengers wait on a platform during a day-long strike in Kolkata, India, on Feb. 28.

An Indian supporter of left wing party participates in a protest in support of a one-day general strike in Hyderabad, India, on Feb. 28.

Onlookers watch as morgue workers remove the body of a man killed during a shooting in the Itinga neighborhood of Salvador, Brazil on Feb. 8. About one-third of Bahia state's 30,000 patrolling police went on strike last week. That led to a doubling of the murder rate in Salvador, the nation's third-largest city.

Morgue workers remove the body of a man killed during a shooting in Salvador, Brazil on Feb. 8.

A tourists waits for a flight during a partial strike at the Ben Gurion Airport near Tel Aviv, Israel onFeb. 8. Israel's labor federation has launched a nationwide strike for the first time in five years, shutting down national and local government offices, banks, the stock exchange, rail service and seaports.Union leaders are protesting the widespread use of contract workers who earn less and do not enjoy the same benefits as workers who are directly employed.

A lone traveller sits in the usually busy departure hall of Tel Aviv's Ben Gurion Airport, Israel, on Feb. 8. Israel's federation of trade unions declared a general strike demanding better conditions for contract workers with poor job security. Government offices, city councils, trains, banks, post offices and the Tel Aviv Stock Exchange came to a standstill. Israel's Ben Gurion International Airport near Tel Aviv also shut down. A court order however limited the strike there until midday.

People wait at Ben Gurion International Airport near Tel Aviv during a strike on Feb. 8. Israel's main labour union declared a strike on Wednesday that shut airports, ports, banks and the stock market after talks with the government failed to produce an agreement on the status of workers employed through labour contractors.

Striking police officers gesture in front of the Legislative Assembly that they are occupying in protest, in Salvador da Bahia, Brazil, on Feb. 7, 2012.

Soldiers stand guard outside the Legislative Assembly building on Feb. 6, 2012.

Striking police officers give gestures of support from outside the Legislative Assembly to their colleagues who are occupying the building, on Feb. 6, 2012.

A soldier patrols next to a homeless man sleeping in Salvador on Feb. 5, 2012.

Residents watch as men carry the body of a woman who was shot dead in the Sao Marcos neighborhood on Feb. 5, 2012.

A woman walks in front of taxis parked to protest against the government's deregulation plans, in downtown Bologna January 23, 2012. Truckers blocked roads throughout Italy and taxi drivers resumed a strike on Monday as opposition mounted to fuel tax rises and economic reforms aimed at opening up competition in protected sectors including transport and pharmacies.

A line of trucks block a ringroad around Turin Italy, as the Alps are seen in background, Monday, Jan. 23, 2012. Truck drivers in Italy angered by an increase in gas prices introduced as part of the government's austerity measures have blocked highways near Milan in the north and Naples in the south. Also protesting Monday were taxi drivers who went on strike across Italy over plans to issue more taxi licenses. The measure is part of a liberalization package approved last week by the government as it seeks to convince investors it has a strategy to deal with its debts. Truck drivers brought their protest to the mainland after bringing goods transport to a near halt in Sicily last week.

Monica, a German trucker gestures on the Turin highway during a truckers' protest against the government's deregulation plans in Turin January 23, 2012. Truckers blocked roads throughout Italy and taxi drivers resumed a strike on Monday as opposition mounted to fuel tax rises and economic reforms aimed at opening up competition in protected sectors including transport and pharmacies.