What did the Prophet Muhammad (peace be upon him) do after being informed of the death of An-Najah?
 Narrated Abu Huraira:                     Allah's Apostle informed about the news of the death of An-Najash (King of Ethiopia) on the day he expired. He said, "Ask Allah's forgiveness for your brother. " Narrated Abu Huraira: The Prophet made them align in rows at the Musalla and said four Takbir.