Fierce battles took place in the northern Syrian city of Aleppo on Saturday, a day after rebels launched a broad offensive against government forces in Syria's biggest city, dpa reported.
Rebels on Friday launched the largest offensive yet in Aleppo near the border with Turkey to recapture areas controlled by forces loyal to President Bashar al-Assad.
"A unit of the armed forces targeted groups of terrorists in al-Kallaseh neighbourhood of Aleppo, killing and injuring tens of terrorists," the state-run SANA news agency reported.
The rebel Free Syrian Army (FSA) said on Friday it had launched a "decisive battle" in Syria's commercial centre.
Rebel commander Abu Omar al-Halabi said government forces carried out at least 20 airstrikes against areas seized by the rebels a day earlier.
Activist said some 230 people were killed across Syria on Friday, mainly in Aleppo.