(12) باب فِي شِدَّةِ حَرِّ نَارِ جَهَنَّمَ وَبُعْدِ قَعْرِهَا وَمَا تَأْخُذُ مِنَ الْمُعَذَّبِينَ
Samura b. Jundub reported Allah's Apostle (may peace -be upon him) as saying:
There will be some to whose ankels the fire will reach, some to whose knees, some to whose waist the fire will reach, and some to whose collar-bone the fire will reach.
Reference: Sahih Muslim 2845 a
In-book reference: Book 53, Hadith 38
USC-MSA web (English) reference(deprecated numbering scheme): Book 40, Hadith 6815