Former PM says it is right time to go, which will trigger byelection that Greens’ Zack Polanski could target

• UK politics live – latest updates

Keir Starmer is to quit as the MP for Holborn and St Pancras, saying it is the right time for him to leave the Commons.

Starmer, who resigned as prime minister in July, told the Camden New Journal he wanted to focus on international affairs and “pass the baton to a successor”.

Former PM says it is right time to go, which will trigger byelection that Greens’ Zack Polanski could target

• UK politics live – latest updates

Keir Starmer is to quit as the MP for Holborn and St Pancras, saying it is the right time for him to leave the Commons.

Starmer, who resigned as prime minister in July, told the Camden New Journal he wanted to focus on international affairs and “pass the baton to a successor”.

Former PM announces he will no longer represent Holborn and St Pancras on the day his successor, Andy Burnham, is to give first Commons address as prime minister

My colleague Richard Partington, the Guardian’s senior economics correspondent, grew up, like Andy Burnham, in the Warrington suburb of Culcheth. He has been home to find out what people there are saying about the new PM.

Yesterday, Kemi Badenoch announced a reshuffle, replacing Mel Stride with Andrew Griffith as shadow chancellor and Priti Patel with Tom Tugendhat as shadow foreign secretary.