The move threatens to further strain relations between Brazilian President Lula and his Argentinian counterpart, Milei. Brazil called in Argentina's highest diplomat in Brasilia to explain the Argentine government's role in the departure of Senator Flavio Bolsonaro to the US after. Brazilian authorities summoned Argentina’s top envoy in the country on Friday to explain President Javier Milei’s role in helping Flávio Bolsonaro flee Brazil following his election defeat.