Japanese journalist arrested on Sakhalin as Russia cites espionage allegations

Russia’s main domestic security agency said on Tuesday that it arrested a Japanese journalist on Sakhalin Island. The agency alleged the journalist gathered sensitive information about Russia’s defence capability. The arrest came as relations between Russia and Japan stayed strained over disputed islands in the Pacific.

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The Federal Security Service said the man worked for the Hokkaido Shimbun newspaper. The agency said the journalist was suspected of collecting information for a Japanese intelligence agency. Russian state news agencies carried the statement, and the suspect was not identified by name.

Russian domestic security agency details on Sakhalin Island arrest

The agency said the arrest happened in Yuzhno-Sakhalinsk, the main city on Sakhalin Island. It said the man was detained while preparing to leave Russia. The statement added that the suspect was flown to Moscow. A court on Tuesday ordered custody while the investigation continued.

Russia’s Sakhalin region includes Sakhalin Island and the four southernmost islands of the Kuril chain. Japan refers to those islands as the Northern Territories. Moscow administers the area, while Japan continues to claim it. The competing claims remained a major source of friction.

Russia-Japan tensions linked to Kuril Islands dispute and Putin trip

Tensions increased after Russian President Vladimir Putin visited the Kuril Islands in August. Putin travelled to Iturup, one of the disputed islands. The visit drew objections from Japan, and it added to the wider diplomatic dispute. The islands remain under Moscow’s control.

The Soviet Union seized the Kuril Islands from Japan in the final days of World War II. That legacy dispute has blocked a peace treaty that would formally end hostilities. Diplomatic talks over decades have not produced a settlement. Both sides have held to long-standing positions.

Moscow has rejected Tokyo’s complaints and repeated its position on control of the islands. Russian officials have said "Russias sovereignty and jurisdiction over the southern Kuril Islands are absolutely unshakable.\" Russia has also increased its military presence on the Kurils. Those moves have signalled a firm stance.

The arrest on Sakhalin Island took place against this backdrop of unresolved territorial claims. Russian authorities said the journalist was held in Moscow as the probe continued. The dispute over the southern Kuril Islands remained unresolved. It continued to shape broader Russia-Japan relations.

With inputs from PTI