Russia is preparing to send 10,000 North Korean soldiers to fight in Ukraine, Ukrainian President Volodymyr Zelensky has said, citing intelligence sources. Heavy Russian losses and public opposition to more conscription means Moscow must use other soldiers, Zelensky said in Brussels on Thursday. The entry of North Korean soldiers to the war is “really urgent,” Zelensky said. The Ukrainian president also said US republican presidential candidate Donald Trump agreed with his arguments to support Ukraine joining NATO. According to Zelensky, Trump told him in their recent meeting he had “good argu…