A man holds his son's hand while soldiers patrol the Tivoli Gardens neighborhood in Kingston on Thursday. More than 70 people have died during several days of gun battles, the government said, but the reputed drug kingpin who was the target of the raids may have fled the country. Rodrigo Abd/AP hide caption

itoggle caption Rodrigo Abd/AP

Three days of street battles with heavily armed supporters of the underworld boss had claimed at least 30 lives by late Tuesday. Anthony Foster/AFP/Getty Images hide caption

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At his school in Port-au-Prince, Lochard Samael, 6, works on a math problem with his teacher. He lost his father in the Jan. 12 earthquake but has since been able to return to school. David Gilkey/NPR hide caption

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Some analysts say marijuana may be the cartels' greatest source of cash, in part because the Mexican gangs control the production, trafficking and distribution of the drug. The cocaine they move has a higher street value, but they initially have to buy it from the Colombians. Jason Beaubien/NPR hide caption

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Navy Lt. j.g. Jamie McFarland laughs with volunteer Allen Wilner Herard at Haiti's only golf course, which was turned into a camp for Haitians displaced by the Jan. 12 earthquake. McFarland and her team set up trenches and canals to direct storm runoff out of the camp. David Gilkey/NPR hide caption

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A U.S. Border Patrol officer keeps watch over the fence that divides the U.S. from Mexico in the town of Nogales, Ariz., on April 22. Mexico has denounced a newly passed Arizona law that requires police to question suspected illegal immigrants and orders people to carry proof of their immigration status. Mark Ralston/AFP/Getty Images hide caption

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