 The adjacent study hall which had been added by 1625 later became the Synagogue of Elijah the Prophet.In the 1648–1654 Khmelnytsky Uprising in Ukraine over 100,000 Jews were massacred, leading to some migration to Israel.In 1660 (or 1662), the majority Jewish towns of Safed and Tiberias were destroyed by the Druze, following a power struggle in Galilee.