Many Western intelligence agencies view Huawei as being uncomfortably close to the Communist Party of China. Washington has been leading a worldwide campaign to limit Huawei’s ability to build the infrastructure for 5G, the world’s next-generation wireless network. Along with some if its allies, notably Australia and Canada, the US is concerned that the Chinese telecommunications giant may facilitate global wiretapping on behalf of Beijing’s spy agencies. Last year, Washington warned two of its main European allies, Britain and Germany, that it would stop sharing intelligence with them if they allowed Huawei to compete for 5G contracts.

Now the White House appears to be considering a more drastic step. According to the British newspaper The Daily Telegraph, the Trump administration has ordered a review of whether it should curtail its intelligence assets and operations on British soil if the Chinese firm were hired to build the UK’s 5G network. Citing “half a dozen” current and former British and American officials, the paper said that the review is still in the works. It is being conducted under the auspices of the National Security Council, America’s highest decision-making body, which is chaired by the president himself.

The Daily Telegraph reports that, among the topics being looked at in the review is whether US intelligence operations and hardware —both civilian and military— would be compromised by Huawei’s involvement in the telecommunications infrastructure. The hardware includes military installations and surveillance platforms, such as a number of RC-135 reconnaissance aircraft, which operate out of the Royal Air Force Mildenhall in Sussex, near England’s southern coast. The paper notes that the report and its recommendations could result in drastic chances for the so-called “special relationship” between the US and the UK.