UK security sources say a years-long espionage operation linked to China compromised mobile phones in No 10, affecting senior aides to Johnson and Sunak. Investigations are ongoing as ministers weigh a response, including sanctions, expulsions and tighter device security across government.

Labour MPs are protesting a move that blocks Andy Burnham from seeking selection for the Gorton and Denton by-election, calling it a stitch-up. A letter from MPs urges the PM to reverse the decision and let the Greater Manchester mayor contest the seat. Burnham said he was disappointed.

The PM has pulled a planned Chagos bill after Tory warnings it could breach a 60-year defence treaty with the US and backlash from Donald Trump. Ministers will revisit the proposals and seek a path that preserves security cooperation while addressing sovereignty issues.

About 4.5m people will miss out on voting in May after more local contests were postponed. Ministers approved delays in two large Conservative-run councils, citing reorganisation and boundary work. Critics say this reduces accountability, leaving residents without a say until later polls.