Russia, U.S. and Jordan agree to back ceasefire in southwest Syria: Petra

It cited government spokesman Mohammed Momani as saying that based on "arrangements reached in Amman, a ceasefire will take place along a line of contact agreed upon between Syrian government forces and associated troops on one side and rebels on the other."

A U.S. official said earlier that the U.S., Russia and regional countries had reached a ceasefire deal in southwestern Syria.

(Reporting by Ellen Francis; Editing by Andrew Heavens)