Russian air strikes have killed 18 Islamic State group fighters in central Syria, including near the historic city of Palmyra, over the past 24 hours, a monitor said on Friday.
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.
Turkey aims to develop good relations with Syria and Iraq, and both countries need to be stable for counter-terrorism efforts to succeed, Turkish Prime Minister Binali Yildirim said on Wednesday.
Russia on Tuesday bombed targets linked to the Islamic State (IS) group in Syria near the historic city of Palmyra, killing "a great number" of personnel, the defence ministry said.
Opposition fighters launched a major assault on government-held districts of Syria's long-divided Aleppo on Monday, after the regime severed their only remaining supply route into the battleground city.
The Islamic State group lost 12 percent of the territory it holds in Iraq and Syria in the first half of 2016, according to an analysis by British think-tank IHS.
A child was among at least 15 civilians killed in air strikes on an Al-Qaeda-held town in northwestern Syria on Friday, a monitoring group said.
Muslims around the world celebrated the Eid-al-Fitr religious holiday on Wednesday, marking the end of Islam's holy month of Ramadan.
The Syrian military has declared a 72-hour ‘regime of calm’ covering all of Syria from 1 a.m. on Wednesday (2200 GMT Tuesday), a military source told Reuters.
Nearly 30,000 "foreign terrorist fighters" are currently in Syria and Iraq, a high-ranking UN official said Tuesday, warning that the risk of attacks in their home countries was growing.
Fierce government bombardment of an opposition-controlled Syrian town has killed 43 people, among them children and medical staff, a monitoring group said Sunday in a new toll.
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.