A senior Iranian security official on Thursday threatened Israel with harsh "reactions" if the Jewish state "continues to attack" Iranian and government forces in Syria.
The semi-official Fars news agency quoted Ali Shamkhani, of Iran's Supreme National Security Council, as saying that in case of further airstrikes, Israel "will face reactions that would cause sorrow and penitence."
Also Thursday, Defense Minister Avigdor Lieberman called Syrian President Bashar Assad a "war criminal" who is "not our friend," but he added that it's "not our business."
"We said from the beginning that we have no interest in meddling in the civil war within Syria and we have never intervened," Lieberman said. "What interests us in ensuring the security of Israel's citizens."
Last week, Israel attacked a facility inside Syria containing systems to manufacture precision rockets for Iran and Hezbollah. Fifteen Russian airmen were killed when an Ilyushin 20 airplane was mistakenly shot down by Syria's air defenses soon after the strike, near the Syrian coastal city of Latakia.
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Lieberman reiterated on Thursday Israel's position that Syria bore full responsibility for the incident.