Surah At-Takwir 81:12
وَإِذَا ٱلْجَحِيمُ سُعِّرَتْ
And when Hellfire is set ablaze
Translation: Saheeh International
Tafsir
and when the Hell-fire is set ablaze read su‘irat or su‘‘irat when it is set alight;
Excerpt from Tafsir al-Jalalayn, commentary on 81:12, via Quran.com. The reader has the full commentary and 9 more tafsirs.