"We slaughtered (naharna) a horse during the time of the Messenger of Allah while we were in Al-Madinah, and we ate it." (Sahih )
Sunan an-Nasa'i Book 43, Hadith 61
← Previous Hadith "We slaughtered (Naharna) a horse during the time of Messenger of Allah and ate it." In his hadith Qutaibah (one of the narrators) said: "And we ate its meat." (Sahih ) 'Abdah bin sulaiman contradicted him.

Sunan an-Nasa'i Book 43, Hadith 60 Next Hadith → "A man asked 'Ali" Did the Messenger of Allah used to tell you anything in secret that he did not tell the people?' Ali got so angry that his face turned red, and he said: 'He used not to tell me anything in secret that he di8d not tell the people except that he told me four things when he and I were alone in the house. He said: Allah curses the alone who curses his father, Allah curses the one who offers a sacrifice to anyone other than Allah, Allah curse the one who gives refuge to an offender and Allah curses the one who changes boundary markers."" (Sahih )

Sunan an-Nasa'i Book 43, Hadith 62