Word by Word Analysis

قَدْ مَكَرَ ٱلَّذِينَ مِن قَبْلِهِمْ فَأَتَى ٱللَّهُ بُنْيَـٰنَهُم مِّنَ ٱلْقَوَاعِدِ فَخَرَّ عَلَيْهِمُ ٱلسَّقْفُ مِن فَوْقِهِمْ وَأَتَىٰهُمُ ٱلْعَذَابُ مِنْ حَيْثُ لَا يَشْعُرُونَ 26

Those before them had already plotted, but Allāh came at [i.e., uprooted] their building from the foundations, so the roof fell upon them from above them, and the punishment came to them from where they did not perceive.