Thanks very much for reading our Need to Know blog this Sunday, May 19. Here are some of this morning’s biggest developments.

- Dutton’s nuclear plan needs massive subsidies, says PM: Prime Minister Anthony Albanese has described the Coalition’s nuclear energy proposal as “shocking policy” that “doesn’t stack up”.

- Government working with 300 Australians in New Caledonia, says PM: Prime Minister Anthony Albanese says the federal government is working with about 300 Australians registered in New Caledonia after a vote last week by France’s parliament to change the territory’s electoral laws triggered widespread civil unrest.

- Dutton’s migration numbers ‘plucked out of the air’, says Chalmers: Treasurer Jim Chalmers has denigrated Opposition Leader Peter Dutton’s proposal to reduce migration in his budget reply, saying his figures had been “plucked out of the air”.

- Spender has let down Wentworth: Liberal candidate: Liberal candidate for Wentworth Ro Knox says the electorate was let down by independent MP Allegra Spender when she signed a letter to restore funding for the United Nations Relief and Works Agency for Palestine Refugees.

- Israel pushes further into parts of north Gaza: Israeli troops and tanks pushed on Saturday (Sunday AEST) into parts of a congested northern Gaza Strip district, medics and residents said.

- Israeli official gives Netanyahu an ultimatum: Israeli war cabinet minister Benny Gantz demanded that Prime Minister Benjamin Netanyahu commit to an agreed vision for the Gaza conflict that would include stipulating who might rule the territory after the war with Hamas.