https://www.theguardian.com/technology/2020/jan/14/johnson-huawei-critics-must-tell-us-whats-the-alternative > PM stresses he will not put UK security at risk in upgrading UK’s 5G network > Boris Johnson has insisted that he would not risk Britain’s security when upgrading the nation’s 5G communications network – but said critics of Chinese technology firm Huawei must come up with an “alternative” provider.