Surah Al-Isra, Verse 5

فَإِذَا جَآءَ وَعۡدُ أُولَىٰهُمَا بَعَثۡنَا عَلَيۡكُمۡ عِبَادٗا لَّنَآ أُوْلِي بَأۡسٖ شَدِيدٖ فَجَاسُواْ خِلَٰلَ ٱلدِّيَارِۚ وَكَانَ وَعۡدٗا مَّفۡعُولٗا٥

fa-idhā jāa waʿdu ūlāhumā baʿathnā ʿalaykum ʿibādan lanā ulī basin shadīdin fajāsū khilāla l-diyāri wakāna waʿdan mafʿūlan

So when the [time of] promise came for the first of them, We sent against you servants of Ours - those of great military might, and they probed [even] into the homes, and it was a promise fulfilled.