ذَٰلِكَ بِأَنَّهُمۡ كَانَت تَّأۡتِيهِمۡ رُسُلُهُم بِٱلۡبَيِّنَٰتِ فَكَفَرُواْ فَأَخَذَهُمُ ٱللَّهُۚ إِنَّهُۥ قَوِيّٞ شَدِيدُ ٱلۡعِقَابِ
That was because their apostles had come to them with veritable signs and they disbelieved. So God smote them. Mighty is God, and stern His retribution
Author: N J Dawood