An Obama administration official confirmed that Israeli warplanes attacked a military target inside Syria overnight on Thursday, the AP reports. The official provided no details, however.

Another U.S. official said that the attack occurred in the Syrian port city of Latakia and that the target was Russian-made SA-125 missiles. Both officials spoke on condition of anonymity because they were not authorized to publicly discuss the attack. Israel launched airstrikes on shipments of missiles inside Syria at least twice earlier in 2013.

Reuters quoted a Syrian opposition source as saying that the Israeli jets had struck a strategic missile battery near a village called Ain Shikak, where President Bashar al-Assad's forces have kept long-range Russian missiles that are reportedly among Syria's most powerful weapons, according to Haaretz.

An Israeli Defense Ministry spokesman said, "We're not commenting on these reports," according to the Israeli news outlet. According to other sources, the strike targeted a Russian SA-8 surface-to-air missile shipment destined for Hezbollah and that the two targets were destroyed.

In addition to striking Latakia, the Saudi-owned news outlet Al-Arabiya said Israeli planes had also carried out a strike in Damascus on Wednesday, Haaretz reports.

It was unclear on Thursday whether anyone was wounded in either reported strike.

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