NEW : At least 20 people killed across Syria on Saturday , says an opposition official . State - run TV blames Internet outage on a malfunction in the main grid . Rebels claim they control a city north of Damascus International Airport . Syrian state TV denies the claims by rebels .
NEW : At least 165 people killed across Syria on Saturday , says an opposition group . State-run TV blames Internet outage on a malfunction in the main grid . Rebels say they control a swath north of Damascus International Airport . Syrian state TV denies success claims by rebels .