Russia has formally complained to the United States over its military aid to Ukraine, warning of “unpredictable consequences” if shipments of advanced weaponry go forward, US media reported. In a diplomatic note this week, Moscow warned the United States and NATO against sending the “most sensitive” weapons for Kyiv to use in the conflict with Russia, saying such shipments were “adding fuel” to the situation and could come with “unpredictable consequences,” the Washington Post reported. […]