https://www.theguardian.com/technology/2020/feb/14/us-urges-britain-to-take-another-hard-look-at-letting-huawei-into-5g > Washington calls for rethink and claims Chinese firm has ‘back doors’ to mobile networks > Britain needs to take a “hard look” and reconsider its decision to allow the Chinese firm Huawei into the UK 5G network, US officials have said..