Japan may designate Russia as a security "challenge" in its national strategy to be revised this year as Moscow invaded Ukraine, in a shift from the government's stance to seek bilateral cooperation to resolve a territorial dispute, government sources said Wednesday.The Russian invasion drawn sharp international condemnation, prompting Japan to oppose any unilateral use of force to change the status quo and slap sanctions against Russia, currently identified in the national security strategy as a "partner" with which Tokyo will promote peace and stability in the international community.The …READ FULL ARTICLE