In footage released by police, a person in a Ghostface mask spray painted a sign before fleeing the scene. The suspect is the lone suspect in several incidents in the cities of Vaughan and Markham.
A Los Angeles synagogue faced a second act of vandalism last Thursday, just two months after a previous attack.
The Party for Socialism and Liberation said that the demonstrators were standing in solidarity with the tens of thousands of activists that had protested in Washington DC.
The incident drew national outrage, with French President Emmanuel Macron attacking the vandals for undermining the memory of French heroes and the victims of the Holocaust.
“Hamas is coming,” was scrawled in red across the face of the the Christopher Columbus Memorial Fountain at Union Station, alongside slogans, such as “free Gaza” and “all Zionists are bastards.”
The Jewish Federation of Greater Philadelphia said the mayor's office quickly replaced the defaced flag.
Two anti-Israel activists were arrested for vandalizing the London cenotaph, placing a Palestinian flag and spray-painting.
Jewish Community Relations Council Bay Area on Monday called on the police to protect the Jewish community, saying that there had been an increase in antisemitism in the area.
The Anne Frank statue in Amsterdam was vandalized with 'Gaza' graffiti, drawing condemnation from Dutch politicians and calls for witnesses to report the incident.
"Drop Elbit" was painted in red on the facade of the company's facility, and windows were completely smashed.