British Prime Minister Theresa May has seemingly agreed to allow Chinese telecoms equipment maker Huawei limited access to help build parts of the UK 's 5 G network despite opposition from the US . Leaked documents showed that the CIA warned the UK that Huawei had been funded by branches of China 's intelligence service and military . Whether it has been part of their motivation in supporting Huawei so fervently or is just an ancillary benefit, the battle between Washington and Huawei has consumed significant time and effort and has disrupted established U.S. intelligence-sharing arrangements. But the UK 's National Security Committee , which is chaired by the PM , has agreed to let Huawei build items such as antennas and other " non - core " infrastructure , albeit with restrictions .
British Prime Minister Theresa May has seemingly agreed to allow Chinese telecoms equipment maker Huawei limited access to help build parts of the UK 's 5 G network despite opposition from the US . Leaked documents showed that the CIA warned the UK that Huawei had been funded by branches of China 's intelligence service and military . But the UK 's National Security Committee , which is chaired by the PM , has agreed to let Huawei build items such as antennas and other " non - core " infrastructure , albeit with restrictions .