The Arab Syrian Army captured on Thursday Saraqib city located in the eastern countryside of Idlib.
Damascus said Friday it would reject any agreement between Turkey and the US to establish a "security zone" in northern Syria.
The Syrian army said on Sunday that rockets had struck several military bases in Hama and Aleppo countryside in what it said was new "aggression" by its enemies, state television said.
Nearly 5,000 Syrian rebels and civilians began leaving a ravaged pocket of Eastern Ghouta, in fresh evacuations that further emptied the former rebel bastion.
The Syrian army and Iranian-backed militias backed by Russian air power stepped up a military campaign against rebels in eastern Hama province.
The Syrian army units have enhanced their presence in northeastern Hama countryside as well as in eastern and southern Aleppo countryside, local sources said.
A woman was killed and four others were injured on Friday in Hama in shelling missiles by Daesh terrorists, SANA news agency reported.
The SOHR said on Friday that an agreement ending Daesh presence in Hama has been reached between the Syrian national army and Daesh.
The Syrian army and its allies launched air strikes against rebels north of the city of Hama on Thursday after recapturing villages lost to the insurgents in the week.
The Syrian Armed Forces were able to regain control of four oil fields from terrorist Daesh group in the countrysides of Homs and Hama cities.
A Russian military adviser has been killed in an attack staged by militants and targeting the Syrian military in Hama province.
Syrian state television said there was an explosion at a bus station in the government-held city of Hama in western Syria on Thursday