US ?National Security Adviser Jake Sullivan has urged Brazil not to use Huawei Technologies equipment in developing its 5G telecommunications network, a White House official confirmed on Monday. During his trip to Brazil last week, Sullivan ?expressed concerns to Brazilian President Jair Bolsonaro about Huawei’s potential role in Brazil infrastructure, Juan Gonzalez, senior director for the western hemisphere at the National Security Council, said at a briefing. The warning continues a US campaign initiated two years ago by then-US president Donald Trump to persuade allied countries to exclude Huawei from their 5G wireless networks, contending that Beijing could use the…