That’s a wrap – thank you for reading the Need to Know blog today. These were some of the main topics:

• Harris uses Capitol speech to remind voters of Trump chaos: The vice president used an historic address in front of 75,000 people to stir up fear over a return of the former president to the White House.

• Biden suggests Trump supporters are ‘garbage’: President Joe Biden took a swipe against Donald Trump’s supporters.

• Trump holds duelling rally in Pennsylvania: As Kamala Harris spoke in Washington, Donald Trump was visiting a heavily Hispanic city.

• Inflation tumbles to 2.8pc, but no rate cuts until 2025: Inflation hit a 3½ year low last quarter as millions of households received $75 electricity bill rebates, but economists say prices are still rising too quickly.

• Rishworth calls PM’s Qantas flight upgrade saga a ‘hypocrisy’: Social Services Minister Amanda Rishworth has hit back at the Coalition’s flight upgrade comments.

• NACC chief Brereton ‘engaged in officer misconduct’, robo-debt investigation finds: The National Anti-Corruption Commission said it had already decided to reconsider its decision not to investigate referrals it received from the Robodebt Royal Commission.