Members of the Pakistani navy march at the mausoleum of Muhammad Ali Jinnah, founder of Pakistan, to celebrate Independence Day in Karachi. Security was heavy in the capital Islamabad as the government braced for protests in addition to the ceremonies and celebrations. Fareed Khan/AP hide caption

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A health worker vaccinates a child during a polio campaign in Bannu, Pakistan, June 25. The Taliban threaten to kill vaccinators and parents who immunize their kids. A Majeed/AFP/Getty Images hide caption

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Usman (right), 7 months, and Abdullah (left), 18 months, are held by their mothers while they wait to receive the polio vaccine at the Jalozai refugee camp near Peshawar, Pakistan. Daniel Berehulak/Getty Images hide caption

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A health worker gives a child the polio vaccine in Bannu, Pakistan, June 25. More than a quarter-million children in Taliban-controlled areas are likely to miss their immunizations. A. Majeed/AFP/Getty Images hide caption

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Photos of Luanda, Angola, tell a tale of two cities: sprawling poor neighborhoods and a glitzy waterfront. Saul Loeb/Getty Images; Michael Gottschalk/Getty Images hide caption

itoggle caption Saul Loeb/Getty Images; Michael Gottschalk/Getty Images

Pakistan beat out rivals China and India to produce the Adidas Brazuca, the official ball of the 2014 FIFA World Cup in Brazil. Adrian Dennis/AFP/Getty Images hide caption

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An unmanned U.S. Predator drone flies over Kandahar Air Field, southern Afghanistan, on Jan. 31, 2010. U.S. drone strikes killed at least 13 people in two separate strikes Wednesday and Thursday in Pakistan's tribal area. Kirsty Wigglesworth/AP hide caption

itoggle caption Kirsty Wigglesworth/AP

Pakistani paramilitary troops carry a coffin Monday bearing a colleague killed Sunday during a battle with members of the Pakistani Taliban who stormed the Jinnah International Airport in Karachi. More than 20 people died Sunday. Fareed Khan/AP hide caption

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Smoke rises above Jinnah International Airport Monday morning, following a five-hour firefight between security forces and militants. The facility was open for business Monday afternoon. Shakil Adil/AP hide caption

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A Pakistani man reads a newspaper at a closed market in Karachi on Wednesday following the arrest of Altaf Hussain. For more than two decades, Hussain has wielded control over his party — and, by extension, parts of the city — from half a world away in London. Asif Hassan/AFP/Getty Images hide caption

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Supporters of Pakistan's Muttahida Quami Movement (MQM) political party hold posters of their leader Altaf Hussain, who was arrested in London, as they gather at the party's headquarters in Karachi on Tuesday. Athar Hussain/Reuters/Landov hide caption

itoggle caption Athar Hussain/Reuters/Landov

Mohammad Iqbal sits beside the body of his wife, Farzana, after she was stoned to death earlier this week by her family for marrying against their wishes. Iqbal has since admitted that he killed his first wife in order to remarry. Rahat Dar/EPA/Landov hide caption

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A Pakistani policeman points to the damaged car that was carrying Pakistani journalist Hamid Mir when he was attacked in Karachi Saturday. Mir is reportedly out of immediate danger. Asif Hassan/AFP/Getty Images hide caption

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