Xinhua Commentary: Guarding against Quad's bloc politics

BEIJING, May 27 (Xinhua) -- As top diplomats of the Quadrilateral Security Dialogue, known as the Quad, wrapped up a one-day meeting in India on Tuesday, they have again hyped maritime issues related to the East and South China Seas. In recent years, nearly every joint statement issued after Quad foreign ministers' meetings has reiterated these themes.