The Biography of the Sultans of Kilwa

79 he accepts, let him come in; otherwise, we would never allow him in". Ali, the son of the Sultan of Zanzibar, left to convey the response of Kilwa to Hassan ibn Yārik. A few days later during his stay out of Kilwa, Emir Muhammad Kawāb died after serving fteen years as an Emir. This period was known as the rst Fitna (time of tribulations) and was instigated by Hassan ibn Sulaimān ibn Yārik.