(1)
Hudhaifah (RAA) narrated that the Messenger of Allah (ﷺ) used to prohibit the announcement of anyone's death. Related by Ahmad and At-Tirmidhi, who rendered it Hasan. (DE)
Reference (DE): Bulugh al-Maram 556 (DE)
In-book reference (DE): Book 3, Hadith 24 (DE)
English translation (DE): Book 3, Hadith 580 (DE)