We do not comment on intelligence matters. Our intelligence agencies continue to adhere to a rigorous legal compliance regime. GCHQ are scrupulous in their legal compliance.
More top news
Thousands of Beko tumble dryers could pose a fire risk through an overheating fault, the manufacturer has warned.
Labour leader Jeremy Corbyn was unable to provide the cost of his party's key manifesto plans on free child care.
The impact of the crisis is ongoing for travellers despite flights resuming as British Airways counts the cost of a disastrous weekend.