Herzog, who arrived in Sydney this morning, was whisked away from Sydney Airport by a heavily-armed contingent of police and bodyguards.

Aboriginals were the target of a terror attack on an Australia Day rally, police said on Thursday. More than 2,500 people had gathered at a rally in Perth, which was protesting against Britain’s “invasion” of Australia, when a man allegedly threw a bomb filled with screws and ball bearings into the crowd.

The charge marks the first instance of an individual being prosecuted for this specific offence in Western Australia.

SYDNEY, Jan 26 (Reuters) - Thousands marked Australia's national day on Monday by attending "Invasion Day" rallies in support of Indigenous Australians and calling for unity, while separate anti-immigration protests also drew crowds.

Labor and Greens MPs are vowing to defy a NSW Labor Government protest ban on Monday. They face arrest by marching against Israeli President Isaac Herzog’s visit to Australia.

The Australian Broadcasting Corporation (ABC) reported on Thursday that the incident was now being investigated by police as a “potential terrorist act”, two days after a 31-year-old man was charged with throwing a “homemade improvised explosive device” at an Invasion Day protest attended by thousands of people on Monday.