CCTV footage shows a white ute passing by the location of the collision.
Organisers are expected to clash with same sex marriage supporters.
Brook Mitchell via Getty Images
The 41-year-old was facing charges of assault occasioning actual bodily harm.
The charges come after four men were arrested on Saturday
The PM says Australians can be assured by swift action taken over the weekend.
A 23-year-old woman was arrested by police on Friday.
Warning: Distressing footage.
The woman who was assaulted in the viral video has been charged over throwing objects at a vehicle.
Danukul Mokmool was shot by police after threatening a local flower stall.
Witnesses heard a man say "shoot me" followed by three gunshots.
The attack was filmed by another driver on Dashcam.
Police are currently investigating the incident.
The infant is suspected to have been born and murdered a decade ago.
The tragedy unfolded on Saturday.