recently, with most cases amongst the under 25s. 0ne fifth of people here fall into that demographic. that age group are gathering together, wherever they are. actually what they're doing here is gathering together safely because they're all being tested before they gather. limits on crowd sizes were set to be lifted on monday but advising infection rates have delayed that until next month. further pilot events will be announced in the coming weeks to learn more about how crowds and covid safety can coexist. luxmy gopal, bbc news. former speaker of the house of commons and previously tory mp john bercow says he has switched allegiance to join labour. he said the government "needs to be replaced" and sir keir starmer�*s party "is the only vehicle that can achieve that objective". the government says his move isn't a surprise and it's continuing to pursue an ambitious agenda.