The United States has revoked the visa of Brazil’s ambassador to Washington D.C., according to AFP reports. This action follows Brazil’s refusal to formally grant diplomatic accreditation to the US ambassador nominee for Brasilia. Sources within the US State Department confirmed the reciprocal measure was taken in response to the denial. The situation marks a significant downturn in diplomatic relations between the two countries. This visa revocation effectively prevents the Brazilian ambassador from continuing their post in the US. It remains unclear how long this diplomatic impasse will persist or what further actions may be taken by either nation. The incident raises concerns about ongoing diplomatic protocols and potential impacts on bilateral cooperation.