Hamilton is a three-time world champion, winning in 2008, 2014 and 2015.
Hamilton is aiming for a fourth world title.
The president delivered a greatest hits set, boasting of policy goals and repeating criticisms of the judiciary, Democrats and the press.
Victoria state police do not believe the incident was terrorism-related.
The plot was allegedly intended to target several prominent locations in the city of Melbourne.
A giant Taylor Swift mural has been painted in Melbourne to mark the "death" of the singer's career.
Follow Andy Murray's Australian Open final against Novak Djokovic using our television, radio and streaming guide.
The plane was able to land safely.
Police who responded to the scene after receiving calls about a shooting could still hear gunfire when they arrived.