When Allah accepted his repentance, he fell down in prostration.
حدثنا محمد بن يحيى حدثنا عبد الرزاق عن معمر عن الزهري
لما تاب الله عليه خر ساجدا
No references are available.
Sourcing, sahih. Bukhari reported it in the Book of Military Expeditions, chapter on the account of Kaab bin Malik and the saying of Allah Almighty, "and on the three who were left behind," at length, hadith 4418, from Zuhri through him.