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An opposition fighter guards a position in the northern Syrian city of Aleppo on January 7, 2014 during ongoing clashes with fighters of the jihadist Islamic State of Iraq and the Levant (ISIL).
An opposition fighter guards a position in the northern Syrian city of Aleppo on January 7, 2014 during ongoing clashes with fighters of the jihadist Islamic State of Iraq and the Levant (ISIL).

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    Syrian rebel factions continue infighting

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Syrian rebel factions continue infighting

The Al Qaeda linked ISIS rebels continue to clash with the secular Free Syrian Army. CNN's Ivan Watson explains.

Syrian rebel factions continue infighting

The Al Qaeda linked ISIS rebels continue to clash with the secular Free Syrian Army. CNN's Ivan Watson explains.