Independent MP Allegra Spender has intensified pressure on Pauline Hanson’s One Nation, calling on the party leader to demand the resignation of Senator Malcolm Roberts following renewed scrutiny of his past comments promoting conspiracy theorist Alex Jones and a social media post criticised as antisemitic.

The renewed controversy has emerged as One Nation experiences a resurgence in national polling, placing greater attention on the public record of some of its senior figures. Critics argue that Roberts’ previous comments and online activity are inconsistent with the standards expected of a federal parliamentarian, while supporters maintain the controversy is politically motivated.

Spender, the independent member for Wentworth, publicly called on One Nation leader Pauline Hanson to act, saying Roberts should step down over his promotion of conspiracy theories and material condemned as antisemitic.

“One Nation Senator Malcolm Roberts should resign. Pauline Hanson should demand his resignation,” Spender wrote on social media, describing it as unacceptable for a senior parliamentarian to endorse material linked to antisemitic conspiracy theories.

What prompted the renewed scrutiny?

The latest criticism centres on two separate incidents that have resurfaced during increased media attention on One Nation.

One relates to Roberts’ previous appearance on a program hosted by American conspiracy theorist Alex Jones. During the interview, Roberts praised Jones, whose platform has long been associated with false claims surrounding events including the Sandy Hook school shooting and the September 11 terrorist attacks. Jones has also faced substantial legal penalties in the United States over his repeated false claims about Sandy Hook.

The second concerns a 2024 social media post in which Roberts shared an image that critics said repeated longstanding antisemitic tropes alleging Jewish control of global finance and politics. The post has attracted renewed attention amid broader public debate about antisemitism in Australia.

Neither issue is new, but both have returned to the spotlight as One Nation seeks broader electoral support beyond its traditional voter base.

Pressure on Pauline Hanson

As founder and leader of One Nation, Pauline Hanson has come under pressure to clarify whether Roberts continues to have her confidence.

The calls have extended beyond Spender. Other political figures have argued the party should distance itself from conspiracy theories if it wishes to be viewed as a credible governing force.

At the time of reporting, Hanson had not announced any intention to remove Roberts from the Senate or demand his resignation. There is also no indication that Roberts has expressed any intention to step down.

Barnaby Joyce distances himself

The controversy has also drawn Nationals MP Barnaby Joyce into the debate after he was questioned about Roberts’ previous comments.

Joyce said there was no ambiguity regarding false conspiracy claims surrounding the Sandy Hook massacre, making clear he rejected those theories. However, he declined to directly address Roberts’ social media activity or call for his resignation.

His comments reflected an effort to separate himself from conspiracy narratives while avoiding direct intervention in One Nation’s internal affairs.

Who is Allegra Spender?

Allegra Spender is the independent federal member for Wentworth in Sydney and has been a prominent parliamentary advocate on issues relating to antisemitism, integrity in public office and social cohesion.

Representing an electorate with a significant Jewish community, Spender has frequently spoken in Parliament about combating antisemitism and strengthening protections against hate speech.

Her intervention therefore aligns with positions she has consistently taken on issues involving antisemitic rhetoric and community safety.

Growing scrutiny of One Nation

The latest controversy comes during a period of heightened national attention on One Nation and its leadership.

Recent headlines have focused on Pauline Hanson’s overseas visit, including meetings with controversial British activist Tommy Robinson and appearances at conservative events in the United Kingdom. Those events have prompted criticism from political opponents and renewed examination of the party’s broader political direction.

As One Nation attracts increased support in some opinion polls, analysts suggest the party’s senior representatives are likely to face more extensive scrutiny than in previous years.

What does resignation involve?

Under Australia’s parliamentary system, a senator is not automatically removed because of controversial political statements or social media posts. A resignation would generally occur only if the senator voluntarily stepped down or became disqualified under constitutional or legal provisions unrelated to political controversy.

Consequently, the current calls are political rather than legal in nature, asking Pauline Hanson to exercise leadership by requesting Roberts leave Parliament rather than suggesting any automatic legal consequence.

A broader debate about standards in public office

The dispute highlights wider questions confronting Australian politics about how elected representatives should be judged for historical comments, social media activity and associations with controversial public figures.

Supporters of stronger action argue parliamentarians should be held to higher standards because their words influence public debate and community confidence. They contend that endorsing conspiracy theories or sharing material viewed as antisemitic can undermine social cohesion and damage public trust.

Others argue elected representatives should be judged primarily on their parliamentary work and current positions rather than isolated historical statements, particularly where there is disagreement over interpretation or intent.

The debate also unfolds against the backdrop of Australia’s ongoing efforts to address antisemitism following several high-profile incidents in recent years, including the establishment of the Royal Commission on Antisemitism and Social Cohesion.

No decision made

For now, Malcolm Roberts remains a serving senator, and Pauline Hanson has not indicated she will seek his resignation.

Whether the controversy has any lasting political impact will likely depend on how One Nation responds, whether further information emerges and how Australian voters assess the issue as attention remains focused on the party’s leadership and public messaging.

At present, the calls for Roberts to resign remain a political demand from opponents rather than an official parliamentary process, ensuring the debate over accountability, free speech and political standards is likely to continue.