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BEIRUT-- Israel's military has deployed a rocket defense system to the north of the country following reported Israeli airstrikes in neighboring Syria targeting weapons believed to be destined for Lebanon's Hezbollah militants.

The military said it moved two Iron Dome batteries Sunday as part of "ongoing situational assessments."

The move came hours after Israel carried out what an intelligence official said was an airstrike in Damascus that attacked a shipment of Iranian-made missiles bound for Hezbollah.

It was the second Israeli strike in three days.

The stepped-up Israeli activity has raised tensions with Syria, Hezbollah and the group's Iranian backers.

Iron Dome protects against short-range rockets. Hezbollah has thousands of such projectiles.