Russia arrested Japanese journalist Yuki Imai on the island of Sakhalin on charges of spying, according to the country's FSB security agency. Imai works for the Hokkaido Shimbun newspaper. Russian foreign ministry spokesperson Maria Zakharova accused him of "conducting espionage activities on Russian territory" and said he was collecting information about Russia's defences.

The arrest marks another point of friction between Moscow and Tokyo. Tensions between the two countries have been escalating. Japan and Russia have experienced strained relations, particularly since Russia's invasion of Ukraine in February 2022, when Tokyo joined Western sanctions against Moscow.

Sakhalin, located in Russia's far east, sits near Japan. The region has been a site of resource disputes and geopolitical competition between Russia and Japan for decades. Russian authorities have made similar allegations against foreign journalists in the past, particularly those reporting on sensitive military or security matters.

The arrest comes as Russia continues to restrict foreign press access and has designated numerous international media outlets as "foreign agents" under domestic law. Japan's government and media organizations typically protest arrests of Japanese citizens abroad, demanding due process and consular access.

The specific details of what Imai was reporting on or his movements before arrest remain unclear from the available information. Russia's allegations have not been independently verified.