أُذِنَ لِلَّذِينَ يُقَاتَلُونَ بِأَنَّهُمْ ظُلِمُوا ۚ وَإِنَّ اللَّهَ عَلَىٰ نَصْرِهِمْ لَقَدِيرٌ

Surah Al-Haj : 39
Permission [to fight] has been given to those who are being fought, because they were wronged. And indeed, Allah is competent to give them victory.

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