White House statement welcomed ex-FBI director’s appointment to oversee the Trump-Russia investigation, while the US president lashed out on Twitter

The appointment of Robert Mueller comes in the wake of Donald Trump’s firing of FBI director James Comey, who was leading the investigation.
The appointment of Robert Mueller comes in the wake of Donald Trump’s firing of FBI director James Comey, who was leading the investigation. Photograph: ddp USA/Rex/Shutterstock