The Israeli military said it was shelling targets in Syria on Tuesday in response to a pair of projectile launches, with Defence Minister Israel Katz saying he held Syria's leader "directly responsible".
A military statement said that "two projectiles were identified crossing from Syria into Israeli territory, and fell in open areas", adding in a subsequent statement that its "artillery struck in southern Syria" following the launches.
Syria's official news agency SANA reported shelling "targeting the Yarmuk Basin, in the west of Daraa" province.
Britain-based war monitor the Syrian Observatory for Human Rights said bombardments had hit farmland in the province, without reporting casualties.
There were no reports of casualties or damage on the Israeli side due to the projectiles, which