- Admiral Essen frigate and Krasnodar submarine launched missiles at ISIS targets
- Russian ministry says it notified US, Turkish and Israeli militaries before strike
- Kalibr missiles have been used by the Russian military since 2012
- Palmyra, a UNESCO World Heritage site, has been ravaged in the Syrian Civil War
The Russian military says its warships in the Mediterranean have fired four cruise missiles at Islamic State positions in Syria, the first such strikes announced in months.
The Russian Defense Ministry said in a statement today that the Admiral Essen frigate and the Krasnodar submarine launched the missiles at ISIS targets in the ancient city of Palmyra.
It says the missiles successfully hit IS heavy weapons and fighters the group had deployed and moved to Palmyra from its stronghold of Raqqa, the de facto capital of ISIS.