(ANSA) - BELGRADE, MAR 12 - According to a post on Instagram by Serbian President Aleksandar Vucic, Donald Trump Jr., the eldest son of the U.S. president, met with him in Belgrade on Tuesday. Vucic, who has consistently advocated for the policies of the current U.S. administration, stated in the post that he and Trump Jr. engaged in a conversation regarding Serbia's relationship with the United States. (ANSA).