A suicide car bomb attack killed nine people in a government-held village in Syria's Golan Heights on Friday, state media said, reporting clashes between government forces and rebels afterwards.
An air strike near Syria's battleground second city Aleppo has killed the commander of the largest rebel alliance in the biggest blow since its formation early last year, a monitor said on Friday.
Al-Qaeda prepared the ground Thursday for a break with its Syrian affiliate, Al-Nusra Front, following several days of online chatter over a split between the jihadist groups.
Saudi Arabia warned Thursday that any military cooperation between the United States and Russia in Syria must help advance a political transition to end the war without Bashar al-Assad in power.
Two medics were among at least 20 people killed on Saturday in Syrian government shelling of a rebel-held town northeast of the capital, the Syrian Observatory for Human Rights said.
At least five people were killed in multiple suicide bombings early Monday in eastern Lebanon near the border with Syria, officials said.
Three Spanish journalists who had been held hostage in Syria by an Al Qaeda-linked group returned on Sunday to Madrid where they were welcomed by overjoyed family members after nearly a year in captivity.
Suspected government air strikes on Tuesday killed at least 44 civilians at two markets in a part of northwestern Syria controlled by the war-torn country's Al-Qaeda affiliate, a monitor said.
Air strikes have killed several Al-Qaeda-linked Al-Nusra Front members including its spokesman and regime forces have retaken a strategic town from the Islamic State group in the latest setbacks for jihadists in Syria.
The head of Syria's powerful Al-Qaeda branch on Friday urged opponents of President Bashar al-Assad to reject a ceasefire due to begin at midnight and instead intensify attacks on the regime.