Al Hajj Ayah 39
أُذِنَ لِلَّذِينَ يُقَـٰتَلُونَ بِأَنَّهُمْ ظُلِمُواْۚ وَإِنَّ ٱللَّهَ عَلَىٰ نَصْرِهِمْ لَقَدِيرٌ ٣٩
Permission ?to fight back? is ?hereby? granted to those being fought, for they have been wronged. And Allah is truly Most Capable of helping them ?prevail?.