The High Court has ruled Scott Ludlam, Larissa Waters, Fiona Nash, Barnaby Joyce and Malcolm Roberts ineligible to have stood for parliament at the 2016 election.
The question will now be whether Section 44 of the Constitution needs reform to enable dual citizens who may have a lot to offer to become MPs.
The High Court declared Barnaby Joyce ineligible to sit in parliament.
The High Court was unanimous on its decision in all the cases, with the eligibility of five MPs rejected and two upheld.
All eyes will be on the High Court as it decides the dual citizenship cases of (from left), Malcolm Roberts, Scott Ludlam, Larissa Waters, Barnaby Joyce, Fiona Nash, Matt Canavan and Nick Xenophon.
For Malcolm Turnbull, on a wafer-thin majority and struggling in the polls, the outcome of the seven High Court cases is of vital importance.
Nick Xenophon is a tough dealmaker who demands concessions in return for his crucial numbers.
Nick Xenophon, the master of the stunt, is about to indulge in one more before he leaves the Senate for a run at ruling the South Australian roost from its crossbench. After his shock announcement that…
Nick Xenophon will resign from the Senate to pursue a career in South Australian politics.
Nick Xenophon's exit from the Senate could substantially affect the dynamics in negotiations with the government.
It would be easy to set up an inquiry into the ABC – with the findings already known.
Of the four concessions One Nation won from the government in the latest media reforms, one has the potential to seriously threaten the public broadcaster.
The latest reforms will do nothing to prevent further concentration of Australia’s media landscape.
The last-minute bargaining on media reforms are a minimalistic band-aid response that will do nothing to prevent further concentration of Australia’s media landscape.
The government on Wednesday finally clinched a deal with the crossbench Nick Xenophon Team.
Under the government's new rules, a company will be able to have TV, radio and print outlets in the same market.
Politics podcast: Nick Xenophon on media reform.
Nick Xenophon's position on contentious legislation – currently media reform – is crucial for the government.
George Brandis said the government would ask the court to deal with the citizenship issue urgently.
George Brandis says he is confident that decisions made in office by ministers now under a dual citizenship cloud are not in doubt.
Another leaked recording – this time of Tony Abbott – has the Liberal Party under pressure.
Tony Abbott told a Liberal branch meeting in the Deakin electorate of Michael Sukkar that 'just at the moment … we're at a bit of a low ebb'.
Nick Xenophon is again pushing for a ban on gambling ads during TV sport broadcasts.
Restrictions on gambling advertisements may be effective in helping those with problems manage their urges to gamble.
The gambling lobby continues to provide substantial support to political parties.
The gambling industry continues to make handsome donations to our politicians, and recently named some of those it supports.
For Nick Xenophon, the past few days have brought home just how difficult things can become when you hold a great deal of crossbench power.
The trenchant stand that Nick Xenophon – who is usually a compromiser – and his team took this week against the omnibus bill saw a disconcerted government resort to a risky tactic.
Scott Morrison’s move to create a mega ‘omnibus bill’ alienated the Nick Xenophon Team.
Within the Turnbull government there is gnashing of teeth in the wake of the Nick Xenophon Team (NXT) giving the thumbs down to the omnibus bill. This bill includes the childcare reform package and trade-off…
Cory Bernardi leaves the Senate after quitting the Liberal Party.
Cory Bernardi's Australian Conservatives joins a crowded field battling for the relatively small right-of-centre vote.
As the curtain falls on the year, one of the most powerful players in the new parliament looks back on his successes.
New government procurement rules negotiated into the ABCC bill by Nick Xenophon are set to favour local Australian steel producers over their Chinese rivals.
Changes to construction material requirements from negotiations on the ABCC will give Australian steelmakers a chance to step-up.
Mitch Fifield and Mathias Cormann congratulate Employment Minister Michaelia Cash after the ABCC bill passed the Senate.
The Turnbull government has finally passed its signature legislation to restore a tough watchdog in the construction industry.
Nick Xenophon had previously said he would not vote on the ABCC legislation until the water issue was settled.
Malcolm Turnbull has promised key crossbencher Nick Xenophon closer monitoring of the Murray-Darling Basin Plan.