Complex sentence: On March 22,2016 facing arrest Rabbi Berland asked his followers to hold an all night prayer vigil at the cave of the patriarchs in Hebron, approximately 8,000 attended the 6 hour long rally which lasted until the morning.
Split into simpler sentences: On March 22,2016, facing arrest, Rabbi Berland asked his followers to hold an all-night prayer vigil at the cave of the patriarchs in Hebron. Approximately 8,000 people attended the 6-hour long rally which lasted until the morning.