Wes Streeting is expected to launch a leadership challenge against Keir Starmer as soon as Thursday. News of the health secretaryâs plans came during the kingâs speech, derailing what was supposed to be another chance for the prime minister to reset the political agenda. Lucy Hough speaks to the Guardianâs head of national news, Archie Bland. Help support our independent journalism at theguardian.com/infocus