AbdurRahman ibn Ka'b ibn Malik reported on the authority of a man from among the companions of the Prophet (saws): The infidels of the Quraysh wrote (a letter) to Ibn Ubayy and to those who worshipped idols from al-Aws and al-Khazraj, while the Messenger of Allah (saws) was at that time at Medina before the battle of Badr.

(They wrote): You gave protection to our companion. We swear by Allah, you should fight him or expel him, or we shall come to you in full force, until we kill your fighters and appropriate your women.

When this (news) reached Abdullah ibn Ubayy and those who were worshippers of idols, with him they gathered together to fight the Messenger of Allah (saws).

When this news reached the Messenger of Allah (saws), he visited them and said: The threat of the Quraysh to you has reached its end. They cannot contrive a plot against you, greater than what you yourselves intended to harm you. Are you willing to fight your sons and brethren? When they heard this from the Prophet (saws), they scattered. This reached the infidels of the Quraysh.

The infidels of the Quraysh again wrote (a letter) to the Jews after the battle of Badr: You are men of weapons and fortresses. You should fight our companion or we shall deal with you in a certain way. And nothing will come between us and the anklets of your women. When their letter reached the Prophet (saws), they gathered Banu an-Nadir to violate the treaty.

They sent a message to the Prophet (saws): Come out to us with thirty men from your companions, and thirty rabbis will come out from us till we meet at a central place where they will hear you. If they testify to you and believe in you, we shall believe in you. The narrator then narrated the whole story.

When the next day came, the Messenger of Allah (saws) went out in the morning with an army, and surrounded them.

He told them: I swear by Allah, you will have no peace from me until you conclude a treaty with me. But they refused to conclude a treaty with him. He therefore fought them the same day.

Next he attacked Banu Quraysh with an army in the morning, and left Banu an-Nadir. He asked them to sign a treaty and they signed it.

He turned away from them and attacked Banu an-Nadir with an army. He fought with them until they agreed to expulsion. Banu an-Nadir were ...