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Japanese Journalist Faces Up to 20 Years in Russia on Charges of Spying on Kuril Islands Mobilization

Russia’s Federal Security Service (FSB) has detained 34-year-old Japanese national Yuki Imai, a reporter for the Hokkaido Shimbun newspaper, in Yuzhno-Sakhalinsk on espionage charges. Yuzhno-Sakhalinsk, the main city on Russia’s Sakhalin Island just north of Japan, on espionage charges. He was detained as he was preparing to leave Russia and was then flown to Moscow.
Moscow’s Lefortovo Court ordered the journalist held in custody on October 13, and he faces up to 20 years in prison if convicted, Meduza reported.
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Russian authorities allege that Imai was collecting intelligence on military personnel, specifically gathering data on volunteer fighters and the number of residents mobilized from the Kuril Islands for Russia’s full-scale invasion of Ukraine on behalf of Japanese intelligence.
Imai, who has visited Russia since 2014, had arrived in the country most recently in the summer of 2026. He previously studied at Saint Petersburg State University and regularly posted photos from his travels across Moscow and Saint Petersburg.
He had expressed interest in Soviet military equipment, classical music, ballet, and Soviet cinema, and was traveling with a book by Ivan Bunin . His recent journalistic work covered the State Duma elections, the unveiling of a monument in Khabarovsk marking Soviet victory over Japan, North Korean citizens in Sakhalin, and Russia's strengthening relations with North Korea, according to Meduza.
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During his latest trip, he also visited Vladivostok and Nakhodka in the Primorsky Krai region to cover local cultural centers, Far Eastern life, and historical Russian-Japanese relations. His most recent article was published on October 5.
Relationships between Russia and Japan deteriorated further following Vladimir Putin’s first-ever visit to the disputed Kuril Islands in August 2026, where he traveled to Iturup after observing Russian Pacific Fleet exercises. In response, Tokyo summoned Russia's ambassador to lodge a formal protest, with Prime Minister Sanae Takaichi reiterating that the islands remain an inherent part of Japanese territory.
Following the visit, Japanese Foreign Ministry officials indicated that Tokyo was evaluating additional sanctions against Moscow, while analysts noted the Kremlin likely intended the trip to deter Japan's increasingly assertive defense posture and discourage European actions against Russia’s shadow fleet.
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