https://www.reuters.com/article/us-usa-brazil-huawei-tech/u-s-warns-brazil-about-huawei-and-5g-in-talks-senior-u-s-official-idUSKCN1QZ2IK

U.S. officials have warned their Brazilian counterparts of their security concerns about Chinese telecom equipment maker Huawei Technologies Co during talks in Washington, a senior American official said on Monday.