Motoki Tatsunori, an official of the Japanese Consulate-General in Vladivostok, is seen in the departures area at the Vladivostok International Airport near Vladivostok, Russia. On September 26, Russia's Federal Security Service (FSB) said it had detained Tatsunori who was obtaining, for a monetary reward, classified information about Russia's cooperation with an Asia-Pacific regional country, the impact of Western sanctions on the economic situation in the Primorsky region. Moscow expressed a protest to Japan through diplomatic channels, and the consul was declared "persona non grata" or an undesirable person, and was told to leave Russia within 48 hours. In response, Tokyo summoned the Russian ambassador, according to media reports.