Japanese Foreign Ministry summoned the Russian Ambassador to Japan, Mikhail Galuzin, and gave him a note to protest the apprehension of the Japanese Ambassador to Russia earlier this week.
The Japanese government has accused members of Russia's Federal Security Service (FSB) of detaining, blindfolding and interrogating a Japanese diplomat.
Moscow protests to Japan in connection with the activities of Motoka Tatsunori, an employee of the Consulate General in Vladivostok, who was declared persona non grata, he must leave Russia within two days, the Russian Foreign Ministry said