They said: Give him to us, we shall kill him. They replied: We have the Prophet (ﷺ) between you and us. So they came to him.
Thereupon the following verse was revealed: "If you judge, judge in equity between them." "In equity" means life for a life.
The following verse was then revealed: "Do they seek of a judgment of (the days) ignorance?"
Abu Dawud said: Quraizah and al-Nadir were the descendants of Harun the Prophet (ﷺ)
In-book : Book 41, Hadith 1
English translation : Book 40, Hadith 4479