The memorial – named 'The Rock' – is a large orange boulder with the names Shiri, Kfir, and Ariel written on it.
The Stone of the Twelve Angles is one of the most representative icons of Inca architecture, known for the perfect interlocking of its stones without the use of cement or mortar.
The men allegedly firebombed and vandalism a Sydney home formerly owned by Alex Ryvchin, the co-CEO of the Executive Council of Australian Jewry.
Photos on the group's Instagram show the BBC sign and the building's walls dripping with red paint, designed to look like blood.
McGill University windows were smashed at five buildings by anti-Israel activists on Wednesday evening, disrupting classes and exams.
According to the Australian Jewish Association, the graffiti included swastikas and the slogan "f**k Jews."
“There is absolutely no place at all in our society for antisemitic or hate-based symbols and behaviour,” said the Victoria Police.
In the latest incident, police said on Sunday that vehicles and residences were damaged with antisemitic graffiti in Sydney’s east.
The van used to ram the Baildon Teledyne factory security barriers was filled and weighted down with concrete.
Photographs published by the Australian Jewish Association on social media showed graffiti including phrases such as "Jew dogs," and "Jews are the real terrorists."