Tun Ahmad immediately fled to Singapore,[5] and returned to Pahang when Tun Ali died. Conflict broke out between Ahmad and Mutahir, which became a civil war that engulfed Pahang. This conflict not only involved the Pahang princes but also Temenggung, the Terengganu Sultan of Johore; the British also played a political role.[6] The war was the most decisive in the history of the Old Johore Sultanate.