85:7
وَهُمْ عَلٰى مَا یَفْعَلُونَ بِالْمُؤْمِنٖینَ شُهُودٌؕ
Wahum AAala ma yafAAaloona bialmumineena shuhoodun
Translations
And they, to what they were doing against the believers, were witnesses
Saheeh International
And were themselves the witnesses of what they did to the believers
Marmaduke Pickthall