"At around 7:15 am (0415 GMT), the Israeli enemy carried out an air attack, firing missiles from the direction of north Lebanon with targets in the Tartus and Hama countryside," the SANA news agency reported, citing a military source.

"The attack wounded three soldiers and caused some material losses," the report said, adding that Syrian air defences intercepted some of the missiles.

On the other hand, Syrian Observatory for Human Rights, a Britain-based war monitor, said that "two pro-Iran fighters were killed and three Syrian soldiers were wounded".

SANA did not say what sites were targeted, but the Observatory, a war monitor,  said a "scientific research centre" were present in the areas.

There was no comment from Israeli officials. Israel has carried out hundreds of strikes on targets inside government-controlled parts of Syria in recent years, including attacks on the Damascus and Aleppo airports, but it rarely acknowledges or discusses the operations.

On Tuesday, Israeli warplanes killed three people in a raid on the airport in Aleppo, Syria's second city and on February 19, Israeli airstrikes targeted residential areas in Syria’s capital, Damascus, killing at least five people and wounding 15.

On January, the Syrian army said Israel’s military fired missiles toward the capital’s international airport, putting it out of service and killing two soldiers.