Russian submarine & warships operate near Japan; Chinese navy ships spotted too

Japan govt been keeping a tab on Russian & Chinese warships operating in the vicinity. A Russian submarine, along with 2 navy ships recently transited the La Pérouse strait. La Pérouse strait - Int'l waterway which divides Russia's Sakhalin & Japan’s Hokkaido. On the radar - Chinese navy warships also continued to sail around japan this week. Japan's Defence Ministry confirmed the spotting of a Chinese surveillance ship & a frigate