Darwin and surrounding towns enter a two-day lockdown after a COVID-19 outbreak linked to the recent cluster in Sydney was reported. Restrictions also increase in Western Australia after a woman who recently returned from Sydney also tests positive.
New South Wales reports the first locally-transmitted case in two weeks, after a 45-year-old Sydney man who drives international flight crews to and from the Sydney Airport tested positive for COVID-19.
A study by Garvan Institute of Medical Research in Sydney, and headed by geneticist Vanessa Hayes, pinpoints the Okavango region in northern Botswana as the origin of modern humans. Other scientists express skepticism at this, particularly at the study's primary evidence coming from mitochondrial DNA.
Australian police in Sydney arrest two men who, police say, were planning attacks on locations such as naval bases and police headquarters. New South Wales Deputy Police Commissioner Catherine Burn said Wednesday's activity brings the number of people arrested in connection with last year's Operation Appleby to 13.
A coronial inquest into the siege at the Lindt Cafe in the center of Sydney begins. The inquest hears that one hostage was killed by gunman Man Haron Monis while another was killed by fragments of a bullet or bullets fired by New South Wales Police Force officers.