https://www.theguardian.com/technology/2019/apr/25/may-faces-calls-for-inquiry-over-huawei-leak > Labour and Tory MPs pile on pressure to find and sack leaker amid suspicions it could be work of leadership rival > Theresa May is under growing pressure to find and sack the minister, aide or official responsible for a national security leak that revealed the government will allow the Chinese firm Huawei to supply equipment for 5G mobile phone networks.