The Arab tribe of Bani Helal and the Nubian clan Daboudiya struck a "final" reconciliation under the mediation of Egypt's Islamic Al-Azhar institution on Sunday, ending months of clashes and reconciliation attempts since bloody confrontations erupted between them in April.

Al-Azhar's Grand Imam Ahmed El-Tayyeb announced the settlement, which involves the payment of blood money and mutual promises not to revive the violence which killed 28 people.

The governor of Aswan, Mostafa Yousri, attended the reconciliation conference along with many officials from the police and Al-Azhar, reported Al-Ahram's Arabic news website.

The initial outbreak of violence in April, which led to the majority of deaths, was over a school brawl between members of both tribes and offensive graffiti sprayed on a wall. Another account blamed the harassment of a Nubian woman as the trigger for the clashes.

Several reconciliation attempts occurred and truces were declared – all of which broke down when hostilities erupted again in July.