The week-long "reduction in violence" could—if successful—be a prelude to the end of the 18-year conflict.
Previous ceasefires significantly slowed fighting, though have not yet ended the conflict.
The U.S. military the coalition stopped the attacks against what it had believed to be ISIS after Russia informed it that Syrian military personnel may have been hit.
Two powers were close to a deal but ceasefire terms are still to be worked out.
The attack was on Kamouna camp in Idlib province, near the Turkish border.
Monitoring group reveals the toll on civilian life as ceasefire collapses.
Pyongyang wants the U.S. to halt its military exercises with South Korea in return.
The rights group documents refugees forced back to their home countries.
Jaish al-Islam says it's still coming under attack from government forces.
The cessation of hostilities was "a glimmer of hope", Syrian President Bashar al-Assad said.
Senior diplomat meets with top Israeli and Hamas officials to broker five-year truce.
Senior official says the plan was rejected because it attempted to separate Gaza from West Bank.
As peace talks begin in Belarus, the war continued to rage in Ukraine.
A temporary truce was declared as German and French leaders pressed forward with a new peace plan.
An estimated 13 people per day were being killed in Ukraine, violating the ceasefire agreement signed in September
Fighting continues in eastern Ukraine as a cease-fire deal is reached
Israeli TV no longer interrupts programs for rocket attacks. On with the basketball.
Ahmed said an Israeli demand for the disarmament of Gaza after the month-long war had not been discussed
The truce, mediated by Egypt, is a first step towards negotiations on a more enduring end to the month-old war