Thanks very much for reading our Need to Know blog this Sunday, June 30. Here are today’s biggest developments:

- War memorials vandalised with pro-Palestinian graffiti: Memorials to Australian servicemen and women have been defaced with pro-Palestinian slogans in Canberra.

- ALP senator threatens to cross floor again on Palestine: Rogue Labor senator Fatima Payman has vowed to defy the party line once more to express backing for Palestine, despite the outrage her earlier decision to cross the floor and back a Greens motion caused among colleagues.

- Biden fit for another term, says Marles: Defence Minister Richard Marles said the Biden administration has been an effective government after being questioned about whether US President Joe Biden was fit enough to run for another term in the White House.

- Labor to blame for Australia’s economic woes, says Cash: The Coalition would restore the fiscal guardrails that Labor has “thrown out the window”, and implement a “back to basics” economic agenda should it win the next election, opposition workplace relations spokeswoman Senator Michaelia Cash said.

- Chalmers says $23b in tax cuts won’t fuel inflation: Treasurer Jim Chalmers says $23 billion set to flow into the economy as a result of Labor’s changes to the stage three tax cuts will not put upward pressure on inflation.

- Chalmers ‘confident’ inflation will cool to 2.75pc by year’s end: Treasurer Jim Chalmers says he’s confident but not complacent about the budget’s forecast that inflation will cool to 2.75 per cent by the end of the year, after annual inflation this week rose to 4 per cent for May, from 3.6 per cent a month earlier.

- Macron heads into election showdown: Emmanuel Macron’s rallying call to the French people to “write history” will become a reality on June 30 when voters head to polling stations for the first round of legislative elections.

- Biden rallies wealthy donors for support after Trump debate: US President Joe Biden sought on Saturday (Sunday AEST) to reassure wealthy Democratic donors that he can defeat Donald Trump, as he works to stamp out a crisis of confidence in his re-election campaign following a feeble debate performance.