US imposes fresh sanctions on Iranian companies and individuals over a recent ballistic missile test.
Russia says it has launched rocket strikes on Islamic State group targets in Syria from warships in the Caspian Sea - about 1,500km (930 miles) away.
Russia plans to station state-of-the art missiles in its westernmost Baltic enclave and deploy nuclear-capable bombers to Crimea as part of massive war games to showcase its resurgent military power amid bitter tensions with the West over Ukraine