Via the Guardian Live Blog, Pompeo warns the UK that Huawei 5G role could put defense cooperation with US at risk.

Here are the main points from the press conference given by Mike Pompeo, the US secretary of state, and Jeremy Hunt, the UK foreign secretary.

Pompeo implied that the UK could put defense cooperation with the US at risk if it allowed Huawei a role in operating its 5G infrastructure. In his opening remarks Pompeo said:

We discussed at some length the importance of secure 5G networks. I will have a little more to say on that this afternoon, but I'm confident that each of our two nations will choose a path which will ensure security of our networks.