Musannaf Ibn Abi Shayba 18:920

Abu Bakr narrated to us, he said: Waki’ narrated to us, he said: Sufyan narrated to us, from Abu Husayn, from Shurayh: Regarding a man who fell upon another man from the top of a house, and the one on top died, Shurayh said: "I do not hold the ground liable."