President Donald Trump declared a national emergency on Wednesday barring US companies from using foreign telecoms equipment deemed a security risk - a move that appeared aimed at Chinese giant Huawei.
The UK government has approved the supply of equipment by Chinese telecoms firm Huawei for the UK's new 5G data network despite warnings of a security risk. There is no formal confirmation but the Daily Telegraph says Huawei will build non-core components such as antennas.