3 -Narrated to us my father (r.a.): Narrated to us Saad bin Abdullah that: Narrated to me Ibrahim bin Mahziyar from his brother Ali bin Mahziyar from Ali bin Muhammad bin Ziyad that he said: I wrote to Abil Hasan of Askar (Imam Hadi a.s.) and asked him about the reappearance. In reply he wrote: “When your Imam disappears from the land of the oppressors you must await for the reappearance.”