A 48-hour ceasefire to halt fighting in the Syrian town of Zabadani and two villages in the northwestern province of Idlib began at 6 a.m. (0300 GMT) on Wednesday, Hezbollah's al-Manar TV reported.
The Iranian-backed Lebanese group Hezbollah is fighting alongside the Syrian army in the Syrian war.
"A ceasefire began at 6 a.m. (0300 GMT) today for 48 hours to halt military operations in Zabadani," an al-Manar newscaster announced. "It also includes the two villages of al-Foua and Kefraya in the Idlib countryside."
Sources on both sides of the conflict had earlier told Reuters the ceasefire was due to begin at 6 a.m.