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Israel's Foreign Ministry says it is "very disturbed" that a Polish official has verbally attacked a leading anti-racism activist who spoke about Polish anti-Semitism at a recent conference in Jerusalem.

Spokesman Emmanuel Nahshon tweeted Wednesday that "this is not the way to deal with anti-Semitism — in Poland or anywhere!"

Rafal Pankowski, head of the Never Again association, gave a presentation last week at the Global Forum for Combating Anti-Semitism in Jerusalem in which he described examples of anti-Semitic rhetoric in Poland that have accompanied a controversial new Holocaust speech law.

Andrzej Pawluszek, an adviser to Polish Prime Minister Mateusz Morawiecki, later said that Pankowski had "attacked his own country." Pankowski has since been denounced as a traitor and threatened in online comments.