A historic Brooklyn synagogue that serves as the center of an influential Hasidic Jewish movement was trashed this week during an unusual community dispute that began with the discovery of a secret underground tunnel and ended in brawl between worshippers and police. The conflict erupted in the global headquarters of the Chabad-Lubavitch movement in Crown Heights, a deeply revered Jewish site that each year receives thousands of visitors, including international students and religious leaders. Its Gothic Revival facade, immediately recognizable to adherents of the Chabad movement, has inspired dozens of replicas across the world. But on Tuesday, the synagogue remained...