Happy to pile in on China Dan, but it appears to be Family transmission. The BLM protests have not contributed to the spike...yet.
Of those new cases, one is a close contact of a Keilor Downs family, taking the total number linked to that outbreak to 11 spread across nine households. Another new case is linked to a Coburg family, taking that outbreak to 14, and three are linked to the Stamford Plaza Hotel, bringing that outbreak to 13.