DAMASCUS, Feb.7 (Xinhua) -- Armed groups fired two mortar rounds that slammed a bus station in a troublesome district of the capital Damascus, killing unknown number of people, local media reported.
The shells, allegedly fired by rebels from nearby areas, struck the bus station in al-Qaboun area, reports said.
Most of those killed or injured where women and children, local reports said.
Meanwhile, opposition activists reported heavy clashes and shelling in al-Qaboun, giving no details on the bus station's incident.
Activists also reported heavy security presence in some district of the capital after the armed rebels tried to wage attacks on Damascus a day earlier.