How likely is a Labour challenge?

Keir Starmer’s days as prime minister are numbered, Labour MPs have warned, after a week of fury over the appointment of Peter Mandelson as US ambassador despite his friendship with Jeffrey Epstein. Several MPs have said the prime minister’s chief of staff, Morgan McSweeney, should take responsibility and resign, with one describing the mood surrounding No 10 as seeming ‘terminal.’ Lucy Hough talks to political correspondent Alexandra Topping – watch on YouTube. Help support our independent journalism at theguardian.com/infocus