Cursed were the People of the Ditch. Of fire fed with fuel. When they sat by it. And they witnessed what they were doing against the believers.meaning, they were witnesses to what was done to these believers.Allah said,وَمَا نَقَمُوا مِنْهُمْ إِلاَّ أَن يُوْمِنُوا بِاللَّهِ الْعَزِيزِ الْحَمِيدِ