It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:
"(The injuries caused by) a fire are without liability, and by falling into a well." (JA)
English reference (JA): Vol. 3, Book 21, Hadith 2676 (JA)
Arabic reference (JA): Book 21, Hadith 2778 (JA)