Simon Case has been undergoing medical treatment for 18 months.

In a leaked letter Simon Case questions why the Tory government did not update department budgets since 2021.

The Conservatives are accusing the Labour government of undermining civil service impartiality.

Simon Case said Boris Johnson "cannot lead" and called officials "pygmies" at the height of the pandemic.

Simon Case and Richard Moore resign from the Garrick Club after a backlash over membership.

Civil Service boss Simon Case says he wants to reform the Garrick Club from "within".

Letter suggests there could be a further delay to Cabinet Secretary Simon Case giving evidence in person.

With two of Boris Johnson's closest former aides set to appear, Chris Mason on what we've heard so far.