Sayyiduna Abu Huraira (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: "If livestock injure someone, there is no blood money for them; if someone falls into a well, there is no blood money; if someone falls into a mine, there is no blood money; and there is a fifth share in buried treasure."
Hadith Referenceمسند اسحاق بن راهويه / كتاب الديات / 901
Hadith Takhrij«بخاري ، كتاب الديات : رقم : 6912 ، 6913 . مسلم ، كتاب الحدود ، باب جرح العجماء والمعدن الخ ، رقم : 1710 . سنن ابوداود ، رقم : 4593 . ترمذي ، رقم : 642 . مسند احمد : 456/2 .»
Hasan (may Allah have mercy on him) narrated from the Messenger of Allah (peace and blessings be upon him), he (peace be upon him) said: "There is no blood money for an injury caused by an animal, if someone falls into a well there is no blood money for that, if someone is buried under a mine there is no blood money for that, and there is a fifth share in buried treasures."
Hadith Referenceمسند اسحاق بن راهويه / كتاب الديات / 902
Sayyiduna Abu Hurairah (may Allah be pleased with him) narrated from the Messenger of Allah (peace and blessings be upon him), he (peace and blessings be upon him) said: (similar to the previous hadith).
Hadith Referenceمسند اسحاق بن راهويه / كتاب الديات / 903