Disaster_Accident

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** FILE ** Egyptian guards patrol near the border with Israel. After decades of neglect and with the collapse of government authority, Egypt's Sinai Peninsula has become fertile ground for Islamic extremists, who are making inroads in the court system. (Associated Press)

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Syrian boys play on top of a destroyed military tank next to the rubble of a damaged mosque in the city of Azaz on the outskirts of Aleppo, Syria, on Wednesday. Government forces were engaged in a major battle for control of the northern city of Aleppo. (Associated Press)

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A United Airlines Airbus A320 passenger plane takes off from Newark Liberty International Airport in Newark, N.J., on Saturday, Aug. 11, 2012. (AP Photo/Mel Evans)

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Rick Knabb, director of the National Hurricane Center, updates a reporter on Tropical Storm Isaac on Wednesday, Aug. 22, 2012, in Miami. The agency said Isaac was expected to strengthen and could become a hurricane by Thursday. (AP Photo/Alan Diaz)

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** FILE ** A Syrian walks by a building destroyed in an airstrike in Aleppo, Syria, on Friday, Aug. 17, 2012. The growing use of air power by the Syrian regime has caused a spike in civilian casualties, activists say. (AP Photo/Khalil Hamra)

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**FILE ** Assistant groundskeeper Mike Hrivnak keeps an eye on the approaching storm Aug. 20, 2012, during a rain delay in Washington, D.C. (Rod Lamkey Jr./The Washington Times)

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Construction is under way on Monday, Aug. 20, 2012, along railroad lines linking tracks in Rason in far northeastern North Korea with Russian rail lines. (AP Photo/Kim Kwang Hyon)

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On Monday, Aug. 20, 2012, Syrians Bassem Kharfani (left) and Mahmoud Jikar sit at the door of Mr. Jikar's house, one of more than a dozen homes destroyed in a Syrian government bombardment last week that killed more than 40 people in Azaz, Syria. (AP Photo/Ben Hubbard)

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Firefighter Chuck Mitchell hoses down a hot spot of the Ponderosa fire near Viola, Calif., Aug. 20, 2012. The fire, which destroyed seven homes and burned 23 square miles, was just 5 percent contained since beginning two days earlier. (Associated Press)