Turnbull had promised not to contest the subsequent ballot if the spill was carried.
The new deputy is the Energy Minister Josh Frydenberg, 47, from Victoria, who won overwhelmingly, from fellow Victorian Greg Hunt and Queenslander Steve Ciobo.
Peter Dutton has been under an eligibility cloud, which appears to have been in part lifted by the Solicitor-General’s advice.
The Solicitor-General finds Dutton to be "not incapable" of sitting in parliament after questions were raised about his eligibility through section 44 of the Constitution.
Let’s be frank: Turnbull has made a hash of his prime ministership.
The ideological hardliners were obsessed with the climate, free speech and other culture wars. Their discordant voices have been amplified by their good mates in News Corp, including Sky, and 2GB.
Turnbull told a news conference that if he is ousted he will quit parliament - increasing the prospect of an early election.
Prtime Minister Malcolm Turnbull will invite a leadership "spill" motion at midday Friday, once a majority of Liberals formally ask for a party meeting.
Michaelia Cash and Mathias Cormann have delivered the death blow to the prime ministership of Malcolm Turnbull.
Malcolm Turnbull's prime ministership appears over, with senior ministers deserting him in favour of challenger Peter Dutton.
The Miles Franklin authors with their novels, clockwise from top left: Felicity Castagna, Eva Hornung, Kim Scott, Michelle de Kretser, Catherine McKinnon and Gerald Murnane.
Courtesy Perpetual/ Copyright Agency/ Martin Ollman/Timothy Hillier. Eva Hornung image: Noni Martin.
For many years, the Miles Franklin award was a bastion of monoculture. But this year's stories are a diverse reflection of Australia.
Peter Dutton and his supporters do not want Liberal MPs to disperse late Thursday without a vote, fearing a loss of momentum for his campaign.
Rumours circulated last night about the number of names that had been gathered for the petition for the meeting, which requires 43 signatures.
Network map of accounts within #auspol tweets mentioning or linking to Russian propaganda outlets, Sputnik and RT, May 4 – July 30, 2018.
A lot of attention has been focused on Russia’s efforts to influence American politics, but Australia has also been a target – and continues to be a target – of covert foreign influence.
Turnbull was flanked by Cormann and Morrison who reiterated their support for his leadership.
The government is also dropping its attempt to scrap the energy supplement for new welfare entrants.
The Senate defeat ends months of wrangling by Senate leader Mathias Cormann to get the tax measure through.
As speculation mounts there will be another leadership challenge sooner rather than later, the government has finally lost its bid to award tax cuts to big companies.
Fierravanti-Wells arriving at Parliament House on Sunday night.
In her resignation letter to the Prime Minister, Fierravanti-Wells reminded him that months ago she had told him Peter Dutton should become deputy Liberal leader, replacing Julie Bishop.
He won. But will he win again?
Peter Dutton has a solid base on which to work to become Liberal leader. That's the way it usually goes- wound the first time, kill the second.
Malcolm Turnbull called on the vote in this morning’s meeting, and won.
The prime minister has survived a challenge from the conservative wing of his party- but the deep divisions remain.
Scott Morrison said he asked Peter Dutton about his intentions in Question Time on Monday and was told he was fully supportive of the prime minister.
If the next few days go quietly, Turnbull will live now from poll to poll, with enemies circling like crows over a weakened animal.
The government has shelved any move to implement the 26% reduction in emissions because it cannot get the numbers to pass legislation in the House of Representatives.
The prime minister has capitulated on his controversial energy policy in an attempt to quell the ring-wing uprising within his party.
Malcolm Turnbull is faced with a highly volatile situation. But he may need to manage it by taking a risk.
After a week of infighting, it's time for the prime minister to press the party room into taking a decisive stand.
Prime Minister Malcolm Turnbull has blinked in the face of a backbench revolt over the National Energy Guarantee (NEG).
Prime Minister Malcolm Turnbull has back away from a plan to enshrine a target to reduce carbon emission in the National Energy Guarantee.
Michelle Grattan speaks with Deep Saini about the week in Australian politics.
On Thursday night a senior source said Turnbull was considering “heavy- handed intervention” to bring down prices.
If there were enough floor-crossers to sink the package's emissions reduction legislation, that would effectively (though not literally) amount to a vote of no confidence in the Prime Minister.
By Wednesday morning condemnation was raining down on Anning from almost everywhere.
In our frequently depressing and often toxic political climate, Wednesday's bipartisanship was a small but significant and encouraging moment of unity on what we stand for as a nation.