Tillerson, who sat in on the discussion between the two leaders, told reporters the ceasefire was a “defined agreement” and could be a precursor to further cooperation in Syria.
“This is our first indication of the US and Russia being able to work together in Syria,” Tillerson said.
The two leaders had a “lengthy discussion of other areas in Syria where we can work together,” he added.
A ceasefire will come into effect in this de-escalation zone starting at noon Damascus time on July 9.
The US and Russia “promised to ensure that all groups there comply with the ceasefire” and “provide humanitarian access” Lavrov said. Russian military police — coordinating with the US and Jordan — will initially ensure security around the de-escalation zone.
News of a ceasefire agreement comes as US-backed Syrian Democratic Forces (SDF) are pushing into Raqqa, the self-proclaimed ISIS capital.
While it could still be weeks, …