https://www.reuters.com/article/us-usa-china-huawei-tech-britain/u-s-national-security-adviser-warns-uk-about-allowing-huawei-in-5g-ft-idUSKBN1YS0EV

U.S. National Security Adviser Robert O'Brien has warned UK about allowing China's Huawei Technologies Co Ltd [HWT.UL] into its 5G telecommunications networks, saying such a move would pose a risk to UK's secret intelligence services, the Financial Times reported.