US revokes Brazilian ambassador’s visa, official says, as diplomatic tensions escalate BBCU.S. Revokes Visa of Top Brazilian Diplomat, Dialing Up Tensions The New York TimesBrazil withholds approval of Trump’s ambassador pick, deepening rift with US reuters.comTrump administration cancels Brazilian ambassador’s visa in tit-for-tat The Washington PostTrump administration revokes visa of Brazil’s ambassador to US in spat with Lula AP News