Syrian Observatory for Human Rights

Mass killings cast doubt on new Syria authorities' ability to rule

Helicopter fire on IS-linked fighters kills 9 in Syria

6 civilians killed in northwest Syria despite truce

Clashes kill more than 100 fighters in northwest Syria

Syria rebels give up Ghouta in major win for regime

Iran, Russia and Turkey hold Syria talks in Astana

Turkish forces reach Kurdish militia town in Syria

Syria lets aid reach Ghouta but blocks medical supplies

Syria regime strikes rebel enclave as aid trucks wait

Russia-backed truce begins in Syria's Ghouta

Death toll in Syria enclave tops 500 after UN delays truce vote

Syria's eastern Ghouta bombed again before UN ceasefire vote

Nearly 200 dead in Syria enclave as UN warns situation out of control

Syria says intercepted Israel strikes near Damascus

Syrian government says Turkish shelling damaged ancient temple

Mortar fire wounds 14 in Syria mental hospital