MPs and aides in Westminster are on tenterhooks this evening as to whether more ministers will follow in the footsteps of Sajid Javid and Rishi Sunak and resign. Yet while some ministers are for now maintaining a vow of silence when it comes to their plans (most notably Education Secretary Nadhim Zahawi), others have come out to make clear that they continue to back Boris Johnson as Prime Minister in a bid to stabilise him.