Japan's military said it had dispatched a surveillance plane and a navy ship on Tuesday after spotting a Russian submarine off the coast of a southwestern island near Taiwan.

While Japan confirmed no breach of territorial waters, the incident follows increased military activity in the region, including Chinese naval operations.View on euronews

Japan dispatched a surveillance plane and a navy ship on Tuesday after spotting a Russian submarine off the coast of a southwestern island near Taiwan, Japanese Joint Staff officials said in a statement.

A Russian submarine has passed through the waters between the Japanese islands for the first time, the Japanese Ministry of Defence reported on Tuesday, highlighting its significance for regional security.