Louise Haigh’s resignation as the transport secretary is raising serious questions for Keir Starmer. The Labour MP quit suddenly on Friday morning, less than 12 hours after reports of her 2014 fraud conviction emerged.

Louise Haigh was already the first cabinet minister that Sir Keir Starmer publicly rebuked, over remarks about P&O Ferries last month. Now we have the ritual exchange of letters and the ritual blizzard of further questions. First, those letters and in particular the prime minister’s letter to Haigh, which is blunt in its brevity.

More information came to light’, No 10 sources claim, following transport secretary’s decision to resign on Friday morning