Divine signs and recognition of angels

فَلَمَّا رَءَآ أَيْدِيَهُمْ لَا تَصِلُ إِلَيْهِ نَكِرَهُمْ وَأَوْجَسَ مِنْهُمْ خِيفَةً ۚ قَالُوا۟ لَا تَخَفْ إِنَّآ أُرْسِلْنَآ إِلَىٰ قَوْمِ لُوطٍ

But when he saw their hands not reaching for it, he distrusted them and felt from them apprehension. They said, "Fear not. We have been sent to the people of Lot."