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A Syrian rebel runs with his AK-47 towards a Syrian army checkpoint in a suburb of Damascus, Syria, on Saturday March 17, 2012. Two suicide bombers detonated cars packed with explosives in near-simultaneous attacks on heavily guarded intelligence and security buildings in the Syrian capital Damascus Saturday, killing at least 27 people. (AP Photo)

Heavy fighting in Syrian capital

Rebels fought government forces in Damascus on Mar. 19, in the most violent gun battles the Syrian capital has seen since the start of the year-long revolt against President Bashar al-Assad, opposition activists said.