Parliament & Leadership: Keir Starmer has announced he will quit as MP for Holborn and St Pancras, triggering a London by-election, saying he’ll focus on “international affairs” including defence, security, trade and technology. Commons & Governance: Andy Burnham used his first Commons speech to promise “more substantial change,” while critics point to looming budget pressure and the bond-market squeeze. Scotland Devolution & Public Services: First Minister John Swinney unveiled a programme for government including a “bonfire of the quangos”, cutting health boards from 14 to two, and extending a £2 bus fare cap—while unions and charities warn the plans lack delivery detail. Wales Devolution: Plaid Cymru says it will work with Burnham to turn devolution “warm words” into action, pushing for policing, Crown Estate and rail powers. Public Health & Environment: MPs warn the UK is falling behind on microplastics, urging legally binding targets and a national strategy to cut emissions across the plastics lifecycle. Consumer Protection: Which? says Booking.com had “systemic security failures” after it set up a fake 10 Downing Street listing, highlighting fraud risks near Parliament. Crime & Policing: Home Secretary Shabana Mahmood announced an extra £2m for Cleveland Police to tackle serious crime after a spike in incidents around Middlesbrough. Foreign Policy: Burnham told Parliament the UK’s Ukraine support won’t change “whatever threats we face,” and Macron begins a visit to open the Bayeux Tapestry and hold talks with the new PM.