Japanese Foreign Minister Yoshimasa Hayashi ordered a Russian consul in Sapporo to leave Japan by October 10, Kyodo news agency reported on Tuesday.
Japan's decision comes after Russia's FSB security agency said last month it that it had detained a Japanese consul in Vladivostok for suspected espionage and ordered him to leave the country.
(Reporting by Kaori Kaneko; Editing by Raissa Kasolowsky)