Syrian rebel groups fighting each other

An opposition fighter aims fire as others run for cover while they hold a position behind burning tyres in the Salaheddin district of the northern Syrian city of Aleppo on October 9, 2013. The Syrian Observatory for Human Rights reported that the rebels were advancing in Salaheddin during the ongoing clashes with government forces. AFP PHOTO / TAREK ABU Al-FAHEMTAREK ABU Al-FAHEM/AFP/Getty Images

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    Syrian rebel groups fighting each other

As the U.N. plans for "Geneva 2" peace talks, rebel groups have turned their guns on each other. Mohammed Jamjoom reports.