Chris Mason: Why it was always likely Sue Gray would go

Those working alongside the ex-chief of staff were flipping angry, the BBC's political editor writes.

Chris Mason: Why it was always likely Sue Gray would go

Chris Mason: Why it was always likely Sue Gray would go

Chris Mason: Why it was always likely Sue Gray would go

Chris Mason: Why it was always likely Sue Gray would go

Chris Mason: Why it was always likely Sue Gray would go