The British government admitted that its decision was based on pressure from the United States, rather than any evidence that Huawei was actually a threat.[0]

The British government admitted that its decision was based on pressure from the United States, rather than any evidence that Huawei was actually a threat.[0] The US threatened to cut the UK out of intelligence sharing unless it banned Huawei, so the British government caved. 0. E.g.: https://www.theguardian.com/technology/2020/jul/18/pressure-from-trump-led-to-5g-ban-britain-tells-huawei https://www.theguardian.com/technology/2020/jul/18/pressure-.... There are also statements from former British officials confirming this.