Gothenburg, Sweden the Jewish congregation advised that Jews make themselves invisible - leave kippot and Stars of David at home, do not speak Hebrew - because the massacre in Israel had already excited antisemites in numerous cities to attack Jews.
https://www.expressen.se/nyheter/uppmaningen-till-svenska-judar-tala-inte-hebreiska/
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How dark those souls can be to get 'excited' by a massacre.
How heartbreaking to endure this, and to leave in fear.