Two Moskit cruise missiles were successfully test-fired at a mock enemy warship in the Sea of Japan, Russia’s defence ministry said on Tuesday. Japan reacted calmly to the missile exercise, which was conducted near Vladivostok, saying Tokyo is not in a position to comment on Russian intentions.

The Russian military said Friday it has started a military exercise involving more than 3,000 troops on a chain of islands including those disputed with Japan, Russian news agency Interfax reported.