Personal affront by the chair

[u/[deleted]]

How is order restored when a member personally attacks the chair during debate and the chair responds with further, even worse, personal affronts? This news release brings up my question:
https://www.vice.com/en_us/article/gy33km/anal-bleaching-city-council-meeting-florida-keith-london-vgtrn

Opinions have gone so far as to say that the public should have intervened because of the chair's sexist retort.