Islamic State fighters on Monday launched major attack on regime forces and allied militias in the northwestern Hama province, killing 11 troops and destroying several tanks and armored vehicles, pro-regime news feeds said.
The attack took place north of Salamiyya city near a highway links between Aleppo and Hama.
In Homs province, one militant from National defense Forces was killed by ISIS as regime backed by Russian troops attack the radical group pockets in al-Mukharam al-Fuqani district.
Regime forces sought to cut ISIS supply route to the Syrian desert east of Homs, activists said.
Meanwhile, Hama Governorate Council said the northern countryside said is a stricken area, calling on local and the International community to stand with the displaced people who endured to brutal and deadly aerial campaign for over 60 days.
The opposition council said the Syrian army and its allied Shiite militias had destroyed the infrastructure, hospitals, schools, shelters and mosques.
People have no way to survive daily shelling, the statement said.
The northern countryside of Hama is regularly bombed by the air forces of Syria and its Russian ally.
Backed by heavy Russian and regime airstrikes, the regime army seeks to expel rebels from the Hama province and to secure the Alawite dominated territory in al-Ghab Plain, local activists say.
More than 465,000 people have been killed in Syria since the conflict began in March 2011 with anti-government protests