The Britain-based Syrian Observatory for Human Rights, affiliated with the opposition, reported two explosions in the port city of Banyas, located in the northwest, overnight Monday.
The Saudi TV channel Al-Hadath claimed that an air defense system used by pro-Iranian militias was attacked.
The Syrian Ministry of Defense alleged that Israel was responsible, stating the attack on a target in Baniyas caused damage.
*Arutz 7 contributed to this report.