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Open Image ModalPeople carry an man who was injured in unknown circumstances, as chaos erupted in the northeastern state of Pernambuco when the state's Military Police entered the third day of a strike (credit:AP)
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Open Image ModalA civil police officer detains alleged looters after chaos erupted during a Military Police strike in Recife, Brazil (credit:AP)
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Open Image ModalCivil police officers takes positions after stores were looted during a Military Police strike in Recife (credit:AP)
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Open Image ModalA person posing as a protester throws his shoe at police during a drill to prepare security forces for demonstrations during the upcoming World Cup in Rio de Janeiro. (credit:AP)
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Open Image ModalA member of the Homeless Workers Movement carries a Brazilian flag past burning tires during a protest against the money spent on the World Cup near Itaquerao stadium which will host the international soccer tournament's first match in Sao Paulo (credit:AP)
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Open Image ModalCivil police officers detain alleged looters after stores were looted during a Military Police strike, Brazil (credit:AP)
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Open Image ModalDemonstrators burn a FIFA World Cup Brazil 2014 leaflet during a protest against the upcoming FIFA tournament in Rio de Janeiro on May 15, 2014. Brazil faced a test of its security preparations for the World Cup on Thursday as demonstrators disgusted at the tournament's price tag called widespread protests. Ongoing strikes by police and teachers and the threat of a nationwide strike by federal police also raised fears of chaos with four weeks to go until football's biggest global spectacle. (credit:Getty Images)
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Open Image ModalA masked demonstrator burns a Brazilian flag at a protest against the upcoming 2014 World Cup on May 15, 2014 in Rio de Janeiro, Brazil. Anti-World Cup demonstrations were held across the country today. (credit:Getty Images)
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Open Image ModalA masked demonstrator burns World Cup memorabilia at a protest against the upcoming 2014 World Cup on May 15, 2014 in Rio de Janeiro, Brazil. Anti-World Cup demonstrations were held across the country today. (credit:Getty Images)
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Open Image Modal Black Bloc protesters Group clash with policemen during a protest against the World Cup on the evening of Thursday, May 15, 2014 in Sao Paulo, Brazil. Protests are taking place in various cities of the country and questioned the high spending on construction of stadiums and fight for better conditions and budget for health and education. (credit:Getty Images)
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Open Image ModalPolice on patrol looking for members of the Black Bloc group in a subway station during the protest against World Cup on the evening of Thursday, May 15, 2014 in Sao Paulo, Brazil. Protests are taking place in various cities of the country and questioned the high spending on construction of stadiums and fight for better conditions and budget for health and education. (credit:Getty Images)
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Open Image Modal Black Bloc protesters Group clash with policemen during a protest against the World Cup on the evening of Thursday, May 15, 2014 in Sao Paulo, Brazil. Protests are taking place in various cities of the country and questioned the high spending on construction of stadiums and fight for better conditions and budget for health and education. (credit:Getty Images)
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Open Image ModalBlack Bloc protesters Group clash with policemen during a protest against the World Cup on the evening of Thursday, May 15, 2014 in Sao Paulo, Brazil. Protests are taking place in various cities of the country and questioned the high spending on construction of stadiums and fight for better conditions and budget for health and education. (credit:Getty Images)
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Open Image ModalBlack Bloc protesters Group clash with policemen during a protest against the World Cup on the evening of Thursday, May 15, 2014 in Sao Paulo, Brazil. Protests are taking place in various cities of the country and questioned the high spending on construction of stadiums and fight for better conditions and budget for health and education. (credit:Getty Images)
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Open Image ModalA large snowman shaped human skull with the clothes of the Brazilian team symbolizes the death of 14 workers employed in the construction of stadiums for the World Cup on this afternoon of Thursday, May 15, 2014 in Sao Paulo, Brazil. Protests are taking place in various cities of the country and questioned the high spending on construction of stadiums and fight for better conditions and budget for health and education. (credit:Getty Images)
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Open Image Modal Black Bloc protesters Group clash with policemen during a protest against the World Cup on the evening of Thursday, May 15, 2014 in Sao Paulo, Brazil. Protests are taking place in various cities of the country and questioned the high spending on construction of stadiums and fight for better conditions and budget for health and education. (credit:Getty Images)
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Open Image ModalDemonstrators carrying crosses with the names of the workers killed during the reworking of the stadiums take part in a protest against the upcoming FIFA World Cup Brazil 2014 during the 'International Day of World Cup Resistance' in Sao Paulo, Brazil on May 15, 2014. (credit:Getty Images)
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Open Image ModalPolicemen search for demonstrators during the 'International Day of World Cup Resistance' against the upcoming FIFA World Cup Brazil 2014 in Sao Paulo, Brazil on May 15, 2014. (credit:Getty Images)
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Open Image ModalCivil police officers takes positions after stores were looted during a Military Police strike in Recife (credit:AP)
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Open Image ModalProtesters light a fire as they take part in the 'International Day of World Cup Resistance' against the upcoming FIFA World Cup Brazil 2014 in Sao Paulo, Brazil on May 15, 2014. (credit:Getty Images)
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Open Image ModalProtesters light a fire as they take part in the 'International Day of World Cup Resistance' against the upcoming FIFA World Cup Brazil 2014 in Sao Paulo, Brazil on May 15, 2014. (credit:Getty Images)
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Open Image ModalA photojournalist affected by a stun grenade thrown by riot policer is assisted by people taking part in the 'International Day of World Cup Resistance' protesting against the upcoming FIFA World Cup Brazil 2014 along the streets of Sao Paulo, Brazil on May 15, 2014. (credit:Getty Images)
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Open Image ModalA demonstrator sets a barricade on fire during a march for the 'International Day of World Cup Resistance' against the upcoming FIFA World Cup Brazil 2014 along the streets of Sao Paulo, Brazil on May 15, 2014. (credit:Getty Images)
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Open Image ModalPeople take part in the 'International Day of World Cup Resistance' protest against the upcoming FIFA World Cup Brazil 2014 along the streets of Sao Paulo, Brazil on May 15, 2014. (credit:Getty Images)
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Open Image ModalThe Special Riot Police unit (CHOQUE) carries out a drill for controlling civil disorders, at their headquarters in Rio de Janeiro, Brazil, on May 15, 2014. (credit:Getty Images)
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Open Image ModalPolice officers stand guard during a protest against the money spent on the World Cup preparations, in Rio de Janeiro, Brazil (credit:AP)