The navies of Russia and China are conducting joint artillery and anti-submarine drills in the Sea of Japan, near the Russian port of Vladivostok, as part of the "Maritime Interaction-2025" exercise, Russian officials said on Sunday.

India and China pushed back against the White House’s threats to impose secondary tariffs on countries buying Russian oil. New Delhi and Beijing are among the biggest importers of energy from Moscow. US President Donald Trump has promised 100% duties on imports from any country that buys oil from Russia.

Russia and China have staged mock combat drills in the Sea of Japan on Sunday in a show of strengthening ties between the countries. Although the war games were planned in advance, they come just one day after Donald Trump moved two US nuclear submarines closer to Russia following comments from former Russian president,