Here are the main things you need to know right now:
Keir Starmer has said the government is “looking at” making spending cuts “across the board”;
The PM said “we can take some money out of government”, with welfare and overseas aid cuts already confirmed;
Chancellor Rachel Reeves has also said she’s looking to clash 10,000 jobs from the civil service, despite union backlash;
Our political correspondent Ali Fortescue guides you through what to expect from the main event on Wednesday: