Musnad Ahmad 30:2722

Hajjaj narrated to us, Layth ibn Sa'd narrated to us, 'Aqil narrated to me, from Ibn Shihab, from Sa'id ibn al-Musayyib, from Abu Hurayrah, from the Messenger of Allah, may Allah bless him and grant him peace, that he said: "May Allah fight the Jews; they took the graves of their prophets as places of worship."