Complex sentence: This time, it was Turkish troops who went without pay, and they in turn mutinied and assassinated Thir Pasha, during the course of which the governor's palace was burnt and plundered.
Split into simpler sentences: This time, it was Turkish troops who went without pay, and they in turn mutinied and assassinated Thir Pasha. During the course of the mutiny, the governor's palace was burnt and plundered.