The Australian Greens will try to suspend independent senator Fraser Anning from parliament until the election over his racist attacks on Islam.
While there are just two sitting days scheduled in the upper house before the May poll, Greens leader Richard Di Natale believes Senator Anning should not be allowed to return to parliament before he faces the voters.
The ultra-conservative Queensland senator has been widely condemned for blaming 50 deaths during the Christchurch mosque massacres on Muslim immigration.
Senator Di Natale said a censure motion, which has the support of the major parties, did not go far enough.
"We need to make a strong and emphatic statement that Fraser Anning has no place in the Australian parliament," the Greens leader told ABC News Breakfast on Tuesday.
"We can do that via a simple suspension motion."
Labor's Senate leader Penny Wong said Senator Anning should resign.
"I hope that what we take from this tragedy is not just standing against Fraser Anning, a man who's never been elected, who's looking to peddle hatred in a pathetic attempt to get re-elected," she told ABC AM.
"I hope that what we do out of this is to stand against hate speech in all its forms."
Senator Anning entered parliament in late 2017 as a replacement for One Nation's Malcolm Roberts after he was found to have been a dual citizen and therefore ineligible for election.
While Senator Anning ran on the One Nation ticket at the 2016 poll, he quit the party minutes before being sworn in after falling out with leader Pauline Hanson.
Senator Di Natale also hit out at mainstream media for giving a platform to anti-immigration views pushed by some politicians.
"The lesson from this is we can't continue to let this unfettered hate speech continue," he said.
He said Senator Hanson's regular spot on Seven's Sunrise program had given her a chance to espouse hateful, divisive, racist and Islamaphobic views that were similar to Senator Anning's.