DAMASCUS: A key Syrian rescue group and an activist told AFP on Wednesday (Dec 25) a burial site outside Damascus was likely a mass grave for detainees held under former president Bashar al-Assad and fighters killed in the civil war. In a vast walled area located near the Baghdad Bridge, some 35 kilometres from the capital, AFP journalists visiting the site saw a long row of graves more than one metre deep, mostly covered with cement slabs. Several of the slabs had been moved and inside, white