Volume 5, Book 58, Number 220:
Narrated Abu Huraira:
that Allah’s Apostle informed them (i.e. his companions) of the death of Negus, the king of
Ethiopia, on the very day on which the latter died, and said, “Ask Allah’s Forgiveness for your broth –
er” Abu Huraira further said, “Allah’s Apostle made them (i.e. the Muslims) stand in rows at the Mus –
alla (i.e. praying place) and led the funeral prayer for the Negus and said four Takbir.”