Musnad Ahmad Hadith 13080

It is narrated from Anas (may Allah be pleased with him) that the Prophet (ﷺ) once went to a garden of Banu Najjar in Madinah Munawwarah. There, a sound was heard from a grave. The Prophet (ﷺ) inquired about it and asked when the deceased had been buried in that grave. People replied, "O Messenger of Allah (ﷺ)! This person was buried during the time of ignorance." The Prophet (ﷺ) said, "If you people did not stop burying your dead, I would have prayed to Allah that He let you hear the punishment of the grave."