How East Aleppo fell

This inside account in As-Safir provides key details about the collapse of the rebels in East Aleppo. It talks about an intelligence breakthrough for the Syrian regime and its allies. But the article also talks about the terrible infighting among the rebels themselves. This is something that was rarely if ever mentioned in Western media account.  There were street battles among the various rebel groups in East Aleppo but none of the Western correspondents in Beirut bothered to cover.