5فَإِذا جاءَ وَعدُ أولاهُما بَعَثنا عَلَيكُم عِبادًا لَنا أُولي بَأسٍ شَديدٍ فَجاسوا خِلالَ الدِّيارِ ۚ وَكانَ وَعدًا مَفعولًا(Saheeh International)So when the [time of] promise came for the first of them,1 We sent against you servants of Ours – those of great military might, and they probed [even] into the homes,2 and it was a promise fulfilled. i.e., the promised punishment for the first of their two transgressions.Violating their sanctity, to kill and plunder.