Embattled Sir Keir Starmer has warned his ministers and MPs a challenge against his leadership could "plunge us into chaos", after attempting to win them over with what he called a "radical" plan to change the country. Sir Keir sought to rally his quarrelling MPs behind a package of new laws, which he said would "end the status quo that has failed working people". He promised reforms to areas including health, housing and immigration, before meeting ministers and MPs in Parliament. Sir Keir is