The chief executive of UK incumbent telco BT has warned any government move to require a rapid rip-out of Huawei kit from existing mobile infrastructure could cause network outages for mobile users and generate its own set of security risks. Huawei has been the focus of concern for Western governments including the US and its allies because of the scale of its role in supplying international networks and next-gen 5G, and its close ties to the Chinese government — leading to fears that relying on its equipment could expose nations to cybersecurity threats and weaken national security. The UK government is widely expected to announce a policy shift tomorrow, following reports earlier this year that it would reverse course on so called “high risk” vendors and mandate a phase out of use of such kit in 5G networks by 2023. Speaking to BBC Radio 4’s Today program this morning, BT CEO Philip Jansen said he was not aware of the detail of any new government policy but warned too rapid a removal of Huawei equipment would carry its own risks. “Security and safety in the short term could be put at risk.