The Rabbinical Centre of Europe (RCE)says the incident took place late Saturday in a synagogue in the Jewish Community Centre in Debrecen, some 230 kilometers (140 miles) east ofBudapest.

Sunday was the commemoration of the 70th anniversary of Kristallnacht in which 91 German Jews were killed and more than 1,000 synagogues damaged. It is considered one of the initial events of theHolocaust.

The Rabbinical Centre said anti-Semitic attacks were “part of the daily life of Jews in Europe” and that it was necessary to educate young non-Jews about prejudice to combat itseffects.