At around 18:47 local time (07:47 GMT) on Sunday, New South Wales Police received reports that shots had been fired at a park in Bondi Beach, Sydney.
In the minutes that followed, footage filmed by bystanders shows two gunman appearing to fire a volley of shots towards a park from a bridge.
Police say 15 people, including 10-year-old girl, were killed in the shooting. One of the gunman is also dead.
World news correspondent Joe Inwood pieces together verified footage of the incident to show how Australia’s worst mass shooting in nearly three decades unfolded.