وَهُمْ عَلَى مَا يَفْعَلُونَ بِالْمُؤْمِنِينَ شُهُودٌ

و آنچه را با مؤمنان انجام می‏دادند (با خونسردی و قساوت) تماشا می‏كردند!

And they, to what they were doing against the believers, were witnesses.