The Shia-Sunni divide is a historical and theological split within Islam that continues to shape politics in West Asia. The divide is reported to be influenced by various factors, including recent events such as a killing, although its impact is uncertain, with some outlets suggesting it may be narrowing in certain regions, while others argue that the divide is not growing. The Shia-Sunni divide is also seen as a significant factor in ongoing conflicts, including the Iran war.