That the Prophet commanded that those who had been killed at Uhud should be taken back to the place where they fell; they had been brought to Al-Madinah.
Sunan an-Nasa'i Book 21, Hadith 187
← Previous Hadith "Two Muslim men were killed on the day of At-Ta'if, and they were taken to the Messenger of Allah. He commanded that they be buried where they were killed." Ibn Mu'ayyah was born during the time of the Messenger of Allah.

Sunan an-Nasa'i Book 21, Hadith 186 Next Hadith → "Bury the slain where they fell."

Sunan an-Nasa'i Book 21, Hadith 188