The United States is concerned by reports of an impending Assad regime operation in southwest Syria within the boundaries of the de-escalation zone negotiated between the United States, Jordan and the Russian Federation and reaffirmed between President's Trump and Putin in DaNang, Vietnam in November. The United States remains committed to maintaining the stability of the southwest de-escalation zone and to the ceasefire underpinning it. We also caution the Syrian regime against any actions that risk broadening the conflict or jeopardize he ceasefire. As a gurantor of this de-escalation area with Russia and Jordan, the United States will take firm...