Some three dozen reportedly killed on both sides in clashes between government forces and al-Qaeda-linked Horas al-Din group in Hama province

Number of cases still low, but testing in the war-ravaged country is very limited, says humanitarian chief

Anwar R. and Eyad A. are first Assad regime representatives to face justice abroad after testimony from Syrian refugees alleging torture

A dozen witnesses to testify in trial of former member of Syria's secret police suspected of overseeing abuse of detainees at notorious jail near Damascus

Fighting and displacement still at its height, 9 years after demonstrators demanded the ouster of President Assad and precipitated 21st century's biggest war so far

Voting to be held in areas under Syrian government control for 3rd time since civil war began; UN refused to recognize results of last election

Investigators for Human Rights Council attribute alleged rights abuses to Assad regime, Russian forces, al-Qaeda-linked fighters and Turkish-backed rebels

Ankara announces move after weekend strikes that killed dozens of Turkish, Syrian fighters, amid regime onslaught in Idlib that has displaced almost a million people

NATO and UN urge deescalation after dozens of Turkish troops killed in airstrike; nearly 1 million flee Idlib violence, hundreds skirmish with Greek police at border

As the two countries find themselves on opposite sides of the fighting in Idlib, experts say both wary of further military conflict due to economic, energy ties