00:00Russia has conducted a test of a new nuclear-powered and nuclear-capable underwater drone known as Poseidon.
00:10Speaking from a hospital where he met injured soldiers, Putin described it as a new weapon which cannot be intercepted.
00:30On Sunday, Moscow tested another nuclear weapon, which U.S. President Donald Trump called not appropriate.
00:44Russian media reported that the Poseidon was designed to explode near coastlines and unleash a powerful radioactive tsunami.
