150 MPs sat for just 40 minutes, after being forced to stay an extra day in Canberra.
Changes to the Racial Discrimination Act failed to pass the Senate.
The Senate knocked back the proposed changes in a late vote on Thursday.
'I challenge anyone to show me anything that I've said which has been racist'.
You never know when a verbal attack will turn to physical violence.
'My mother in her own shop being called an "immigrant bitch" by a school kid'.
18c fight moves to the senate as the Coalition backs changes.
But getting changes through the parliament will be another challenge.
Protections could be watered down on day dedicated to eliminating racial discrimination.