The Kalibr cruise missiles launched by the Rostov-on-Don submarine successfully hit the designated targets in Raqqa, Defense Minister Sergei Shoigu reported to President Vladimir Putin.

Putin noted that the new cruise missile can be equipped with both conventional and nuclear warheads, adding he hopes that the latter "will never be needed."

Shoigu said the Russian military had informed Israel and the United States about the airstrikes before launching them.

The US official said at least 10 cruise missiles were launched from Russian surface ships in the Caspian Sea and at least one missile was fired by a Russian submarine in the eastern Mediterranean.

Shoigu also told Putin that Syrian army forces had overtaken the area near the border with Turkey where a Turkish jet shot down a Russian warplane on November 24.

Russia has insisted the warplane had stayed in Syria's airspace, and responded by deploying long-range air defense missiles at its air base in Syria and introducing a slew of economic sanctions against Turkey.

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