Mr. Bolsonaro, who lost Sunday’s presidential election, fled Brazil for the United States via Argentina after the police canceled his passport in relation to an investigation.
Officials in Argentina said Mr. Bolsonaro entered the country by land then flew to Ecuador. Brazilian police had asked him to hand over his passports because of his links to an investigation.
Seeking new elections, María Corina Machado will need to tread carefully to avoid offending the Trump administration, while also asserting her own leadership.
The U.S. government has ordered diplomats and other federal employees to leave Saudi Arabia. It is also drawing down staff at other missions in the region.