The Russian and Chinese navies have practiced hunting and destroying an enemy submarine in the Sea of Japan, Russia's defence ministry said on Wednesday, days after U.S. President Donald Trump said he had moved two U.

Donald Trump ruffled Kremlin feathers last week, when he ordered two US nuclear submarines to move closer to Russia.

Viktor Vodolatsky hit back at Trump's recent announcement about moving two U.S. nuclear submarines, saying his country has better ones.