President Vladimir Putin discussed the decision by phone on Monday with Israeli Prime Minister Benjamin Netanyahu, the Kremlin said.
Within two weeks Russia will deliver to Damascus an S-300 air defense system, previously suspended on a request by Israel. It comes as part of response to the downing of a Russian Il-20 plane amid an Israeli air raid on Syria.
Russia and Turkey have agreed to create a demilitarised buffer zone in Syria's Idlib province to separate government forces from rebel fighters based there.
Israeli forces were certain the Sukhoi jet they intercepted with Patriot missiles over the Golan Heights on Tuesday did not belong to the Russian Air Force, an IDF spokesman told media.
Syria said its jet was conducting an operation against "terrorist groups" when it was hit by Israeli fire, according to a state media report.
Four fighter jets and two helicopters tracked it, the military said.
US President Donald Trump has hailed a Supreme Court ruling upholding his travel ban which covers people from several Muslim-majority countries.
Russia and Israel coordinate their actions within Syria for the purpose of deconfliction
Israel fired dozens of rockets into Syria early on Thursday, hitting a radar installation and an ammunitions dump, Syrian state media reported after Israel's military said Iranian forces in Syria had shelled one of its outposts near the border.
The Syrian Centre for Scientific Research on the northeastern edge of Damascus was still smoldering on Saturday after it was hit by airstrikes overnight. USA TODAY
A MAN who worked to expose a secretive Russian mercenary group in Syria has been found dead after an unexplained fall.
U.N. ambassador Nikki Haley says new sanctions will be imposed on Russia. Buzz6
AS DONALD Trump announced “mission accomplished” after striking Syria, Vladimir Putin issued a bone-chilling warning.
The former U.S. ambassador to Syria weighs in on Friday's strikes.
Russian Foreign Minister Sergei Lavrov said a reported chemical attack in Syria was staged by foreign agents.
Defense Secretary James Mattis told reporters Wednesday: "We stand ready to provide military options if they're appropriate as the president determined," according to The New York Times.
US President Donald Trump has tweeted that Russia should "get ready" for missiles to be fired into Syria, in response to an alleged chemical attack at the weekend.
Donald Trump warned Russia to "get ready" after Moscow vowed to shoot any missiles fired at Syria down. "They will be coming, nice and new and smart," Trump tweeted.
The Russian military reserves the right to shoot down missiles and destroy launch sites in the event of US aggression against Syria, Moscow's envoy to Lebanon Alexander Zasypkin has warned.
The US will act against the Syrian government with or without a UN blessing, US envoy Nikki Haley told the Security Council, blaming Russian “obstructionism” for allowing the alleged use of chemical weapons in Syria and beyond.