3 chains merged

Allah's Messenger (ﷺ) said, "I was ordered to migrate to a town which will swallow (conquer) other towns and is called Yathrib and that is Medina, and it turns out (bad) persons as a furnace removes the impurities of iron.

I have been commanded (to migrate) to a town (Medina) which would overpower other towns. They (the people) call it Yathrib; its correct name is (in fact) Medina. It eliminates (bad) people just as a furnace removes the alloy of iron.

Malik related to me that Yahya ibn Said said, "I heard Abu'l-Hubab Said ibn Yasar say that he heard Abu Hurayra say that he heard the Messenger of Allah, (ﷺ), say, 'I was ordered to a town which will eat up towns. They used to say, 'Yathrib