The United States revoked visas of officials from four South American countries
One source
What the source said
Notícias ao Minuto
“EUA revogam vistos de responsáveis de quatro países sul-americanos”
Machine translation: U.S. revokes visas of officials from four South American countries
Read at Notícias ao MinutoReported by one source so far. It is confirmed when a second, independent source reports the same thing.