Diplomatic tensions between Moscow and Tokyo have escalated following a visit by Russian President Vladimir Putin to the Kuril Islands, a territory claimed by both nations. In response to the visit, Japanese Prime Minister Sanae Takaichi made public remarks that the Russian government characterized as "anti-Russian."

As a formal expression of its displeasure, the Russian Foreign Ministry summoned the Japanese ambassador to Moscow. While the specific content of Takaichi’s comments was not detailed in the initial reports, the Russian government labeled them as unacceptable interference in its domestic affairs. The Kuril Islands, known in Japan as the Northern Territories, have been a subject of a long-standing sovereignty dispute dating back to the end of World War II. This latest diplomatic move underscores the ongoing difficulty in normalizing relations between the two countries, which have remained strained due to the territorial disagreement and broader geopolitical conflicts. The summons serves as a standard diplomatic signal of protest, indicating that Moscow views the Japanese government's current stance as a significant breach of protocol or a challenge to its territorial claims.