ذَٰلِكَ بِأَنَّهُمْ كَانَت تَّأْتِيهِمْ رُسُلُهُم بِٱلْبَيِّنَـٰتِ فَكَفَرُوا۟ فَأَخَذَهُمُ ٱللَّهُ ۚ إِنَّهُۥ قَوِىٌّ شَدِيدُ ٱلْعِقَابِ
That was because their apostles used to bring them manifest proofs, but they defied [them]. So Allah seized them. Indeed He is all-strong, severe in retribution.