فَخَلَّفَ حَيَّيْنِ الْأَوْسَ وَ الْخَزْرَجَ فَلَمَّا...
So, he left behind two tribes, Al-Aws and Al-Khazraj. When they multiplied, they used to take the wealth of the Jews and the Jews used to say to them, ‘But, when Muhammad -saww is Sent, he -saww would take you all out from our houses and our wealth (from you to give it back to us)’.
So, when Allah -azwj Mighty and Majestic Sent Muhammad -saww , the Helpers believed in him -saww , but the Jews denied him -saww , and it is the Statement of Allah -azwj Mighty and Majestic: And they had been from before praying for victory over those who disbelieved – so when there came to them what they recognised, they disbelieved in it.
Therefore, the Curse of Allah is upon the unbelievers [2:89] .” [3] Background to the Battle of Khyber: The Jews settled in and around Medina used to pray for the coming of the last Prophet -saww , particularly when attacked by non-believers. However, when Allah -azwj Sent Prophet Mohammed -saww they turned against him -saww and joined hands with the non-believers in their efforts to extinguish the light of Islam.
With the spreading of Islam and the defeat of the Quraish of Makkah in wars, some of the Jews of Medina immigrated to Khyber, which was considered as a rich stronghold for the Jews. After finding out about the (signing of) the ‘Treaty of Hudaybiyya’, the Jews of Khyber felt stronger and started unprovoked attacks on Muslims living in the outskirts of Medina, while assuming a sign of weakness and diminishing power of Islam.
The allies of the Jews of Khyber took the liberty and started to send their attackers into the pastures around Medina. On one occasion, the son of Abu Zarr Al-Ghaffari -ra was grazing the camels of the Prophet -saww when they struck. They killed him, and captured his mother who was with him, and they drove with them the herd of camels. The Muslims, however, were able, just in time, to overtake the marauders and to rescue the wife of Abu Zarr -ra .