Huawei has failed to fix long-standing potential security flaws, warns official body set-up to oversee company's UK operations
Huawei oversight board set to release new report critical of Huawei hardware security
Huawei is using software that will be unsupported from 2020, in hardware that will be used for years to come
Huawei hardware embedded in BT's 21st Century Network a risk to UK national infrastructure