Russia showed off the new cruise missile in hopes that it will save a landmark arms control pact with Washington.
Norway hosted NATO’s 2018 Trident Juncture war games. It involved 50,000 troops from all 29 member states, plus non-members Sweden and Finland.
Donald Trump warned he will pull out of a Cold War nuclear weapons treaty with Russia.
The UK government's emergency committee Cobra is to meet as anti-terrorist police take charge of the probe into the suspected poisoning of Russian spy, Sergei Skripal, and his daughter.
Arms control specialist Petr Topychkanov told Euronews we should be sceptical about Russia President Vladimir Putin’s claim the country had developed weapons no other country in the world possessed.