 Tsar Nicholas I of Russia, who was said to be jealous of the Rebbe's wealth and influence, had the Rebbe imprisoned for nearly two years on an unsubstantiated murder charge.After his release, the Rebbe fled to Austria, where he re-established his court in Sadigura, Bukovina (Carpathian Mountains), attracted thousands of Hasidim, provided for the Hasidic community in Israel, and inaugurated the construction of the Tiferet Yisrael Synagogue in the Old City of Jerusalem.Friedman was the first and only Ruzhiner Rebbe.