Russia has launched a series of cruise missiles at so-called Islamic State targets in Syria.
The ordnance was fired from the Admiral Essen frigate and the Krasnador submarine from the Mediterranean Sea to IS positions in Palmyra.
Russian warships, sub launch cruise missiles at #Daesh targets in #Syria –
mod_russia</a> <a href="https://t.co/ZyKs8MFHqs">https://t.co/ZyKs8MFHqs</a> <a href="https://t.co/vTeTcvjoRz">pic.twitter.com/vTeTcvjoRz</a></p>— Sputnik (SputnikInt) June 23, 2017
The strikes destroyed command posts and weapons and ammunition stores, according to the Russian Defence Ministry.
Russia is seeking agreement with Turkey and Iran to establish four security enclaves to bring about an end to the six-year war.