Russia’s nuclear-armed underwater drone tested successfully, Putin says

Russian President Vladimir Putin said the Poseidon drone travelled on nuclear power for the first time (Alexander Kazakov, Sputnik, Kremlin Pool Photo via AP)

Russia has conducted a successful test of a new atomic-powered and nuclear-capable underwater drone, President Vladimir Putin said, declaring that the new weapon cannot be intercepted.

Mr Putin’s statement, which comes three days after he praised a successful test of a new nuclear-powered cruise missile, appears to be another message to US President Donald Trump that Russia is standing firm in its maximalist demands on Ukraine.