The airstrike in Latakia reportedly targeted Russian Yakhont anti-ship missiles, one of the types of advanced weapons that Israeli officials have previously said they would not allow to reach Syria. It would be the fourth known airstrike against Syria this year.
Asked about the reports on the CBS-TV show "Face the Nation," Prime Minister Benjamin Netanyahu refused to confirm or deny Israeli involvement in the latest airstrike.
Israel has been carefully watching the Syrian conflict since it erupted in March 2011. While it has been careful not to take sides in the civil war, Israel has repeatedly said it would take action to prevent what it calls "game changing" weapons, including chemical weapons and advanced guided missiles, from reaching Hezbollah or other hostile militant groups. Syria's President Bashar Assad is a key backer of Hezbollah.
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Following the May attack, Syrian President Bashar Assad vowed to retaliate if Israel struck his territory again. Assad has not commented on the latest alleged airstrike.
Yakhont missiles are powerful anti-ship weapons launched from the shore that are difficult to defend against.
They travel at twice the speed of sound close to the surface of the water, making it hard for radar to detect them. Israel sees them as threatening its military and commercial installations along the coast, including its offshore natural gas reserves.