Could a senator like Fraser Anning be expelled from Parliament for offensive statements?

Could a senator like Fraser Anning be expelled from Parliament for offensive statements? By the Anne Twomey on the Conversation and repeated on the ABC.

In the wake of comments about the Christchurch massacre, members of the public have raised the question of whether a senator can be expelled from the Senate for making offensive statements.

Ohhh they want to. Again, they didn’t report what he said. Not for our ears. Free speech is only for the politically correct.

Found out what Anning said:

Is not truth a sufficient defense? Or free speech?

Have leftists declared open season on Fraser Anning?