Russian Federation warned Israel before downing of plane

"In 2013 on a request from the Israeli side we suspended the delivery to Syria of the S-300 system, which was ready to be sent with its Syrian crews trained to use it", the statement said. Syrian government missile defense systems last week shot down a Russian military plane, killing all 15 people on board. The system will "significantly increase the Syrian army's combat capabilities", he said.

The flare-up in tensions between Russia and Israel marks a turnabout after months of personal diplomacy between Russian President Vladimir Putin and Israeli Prime Minister Benjamin Netanyahu, in which the two leaders forged a close personal relationship.

Russian Federation has said Syria shot the plane down shortly after Israeli jets struck targets in the area, but accused Israel of creating unsafe conditions by failing to give sufficient advance notice.

Israel denied this version of events and its air force commander flew to Moscow following the incident, which Putin called the result of a "chain of tragic accidental circumstances".

A Russian plane was accidentally shot down by Syria as Israeli jets were attacking Assad regime targets in the war-torn country last week.

"According to information of our military experts, the reason [behind the downing] was premeditated actions by Israeli pilots which certainly can not but harm our relations", Kremlin spokesman Dmitry Peskov was quoted as telling journalists. It comes as part of response to the downing of a Russian Il-20 plane amid an Israeli air raid on Syria.

"We think introducing the S-300s to the Syrian government would be a significant escalation by the Russians and something that we hope, if these press reports are accurate, they would reconsider", Bolton said.

Russian Federation also accused Israel of using a hotline set up between the two sides to avoid airborne collisions to mislead Russian Federation about its plans. Israel has long called on Russian Federation not to provide the S-300 system to Syria and in 2013, the Kremlin agreed to put a deal to deliver them on hold.

Israeli officials could not immediately be reached to respond to Russia's announcement on Monday, a Jewish holiday, but Israel has repeatedly rejected suggestions it was to blame for the plane crash.Amos Yadlin, a former head of Israeli military intelligence who now directs Tel Aviv University's Institute for National Security Studies, called the accusation that Israel played a role in the crash "fake news.meant to assuage diplomatic pressures and cloud the responsibility of Syrian and Russian officers for downing the plane".

Israel's former Military Intelligence chief Amos Yadlin, who now heads the influential Institute for National Security Studies in Tel Aviv, said he assumed the air force would work quickly to destroy the S-300, if it were indeed handed over to Syria.

Last week, Russia's foreign ministry said Israel must provide Moscow with more information about the downing of the military aircraft near the Syrian coast.

The transfer may lead to Israel being more cautious in the short term, Zalzberg said. Moscow said Israel alone was responsible for the incident, accusing the IDF of failing to give notice of its attack in a timely and accurate manner, and claiming the Israeli pilots used the Russian surveillance aircraft as cover during their strike.

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