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An Afghan boy reads the Quran during the Muslim holy fasting month of Ramadan at a mosque in Kabul, Afghanistan, on Thursday, Aug. 16, 2012. Ramadan is the ninth month of the Muslim year that lasts around 30 days, which strict fasting is observed from sunrise to sunset. (AP Photo/Ahmad Nazar)

Afghan attack kills US troops

An Afghan soldier turned his gun on American troops

at a checkpoint in the country's east, killing two Americans and at

least two fellow members of Afghanistan's army in a shooting that marked

both the continuance of a disturbing trend of insider attacks and the 2,000th U.S. troop death in the long-running war. (AP)