Munich Security Conference: China's Wang Yi defends ties with Russia, warns West on Taiwan 'red line'. At the Munich Security Conference, Chinese Foreign Minister Wang Yi defended China's relationship with Russia and issued a warning against crossing Taiwan's "red line." Wang's speech emphasized China's role as a stabilizing force in a turbulent world and dismissed calls for China to constrain Russia over Ukraine. This stance underscores the deepening geopolitical rifts and China's firm position on its sovereign claims.