"So We took retribution from them," meaning: those who belied their messengers, "so see how was the end"
﴿فانتقمنا مِنْهُم﴾ يَعْنِي: الَّذين كذبُوا رسلهم (فَانظُرْ كَيْفَ كَانَ عَاقِبَةُ