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This citizen journalism image provided by Edlib News Network, ENN, which has been authenticated based on its contents and other AP reporting, shows Syrian rebels with damaged cars at the scene where a car bomb exploded at a crossing point along Syria's volatile border with Turkey, in Bab al-Hawa, Syria, Tuesday, Sept. 17, 2013. (AP Photo/Edlib News Network ENN)

Car bomb explodes at Syria-Turkey border crossing

A car bomb exploded on the Syrian side of the main Bab al-Hawa border crossing with Turkey on Tuesday Sept. 17, 2013, killing at least seven people and wounding 20, the Turkish news agency Dogan said.

The explosion occurred at a roadblock manned by hardline Islamist fighters at the entrance of the rebel-held crossing, several hundred meters (yards) from the Turkish side, activists said. (Reuters)