that the Messenger of Allah (ﷺ) said: "Indeed the first cases to be judged between the people are those of bloodshed."
Jami` at-Tirmidhi Book 16, Hadith 12
← Previous Hadith (Another chain) from 'Abdullah bin 'Amr, and it is similar but he did not narrated it in Marfu' form.

Jami` at-Tirmidhi Book 16, Hadith 11 Next Hadith → "Indeed the first cases to be judged between the worshippers are those of bloodshed."

Jami` at-Tirmidhi Book 16, Hadith 13