Government by-election reshuffle, murder arrests over baby’s death, China’s £40bn bank rescue

Polanski rules out moving to Holborn and St Pancras if he wins its by-election; four arrested after a baby died camping in Staffordshire; China pumps billions into state banks; Mathspace hack hits a million Australians; Raya, Swinney and the Emmys feature in sport and showbiz.