Surah Az-Zukhruf 43:50

فَلَمَّا كَشَفْنَا عَنْهُمُ ٱلْعَذَابَ إِذَا هُمْ يَنكُثُونَ

But when We removed from them the affliction, at once they broke their word.

Translation: Saheeh International

Tafsir

But as soon as We relieved them by the supplication of Moses from the chastisement behold! they had broken their pledge reneging on their covenant and persisting in their disbelief.

Excerpt from Tafsir al-Jalalayn, commentary on 43:50, via Quran.com. The reader has the full commentary and 9 more tafsirs.