UMAN, Sept. 25 — Police have detained about 100 activists of Ukraine’s nationalist party Svoboda who protested the annual pilgrimage of Hasidic Jews in southern Ukraine.

About 300 supporters of the nationalist party Svoboda demanded that Hasid Jews not be allowed to gather in the town of Uman, about 200 kilometers south of the capital Kiev.

Close to 30,000 Hasidic Jews from around the world are expected in Uman this week to celebrate Rosh Hoshana at the grave of Rabbi Nachman of Bratslav, who died in 1810.