92. Before the advent of the Prophet (peace be on him) the Jewish tribes who lived on the outskirts of Madina had concluded an alliance with the Arab tribes of Aws and Khazraj. When the Arab tribes fought against one another each Jewish tribe fought on the side of its allies, which led to fratricide and so to a flagrant violation of the Book of God. Moreover, when the war ended the captives were ransomed. This ransom was justified on the basis of scriptural arguments; they extolled the Word of God when it permitted the ransom of prisoners of war, but attached no significance at all to the same Word of God when it prohibited mutual feuding.