How does a raid end? (except killing all the villagers or destroying beds)

I cured a Zombie Villager, and a raid started, when I was dying I have to go into my house to get extra armor and foods, then when I get back to where the raid took place, I don't see anymore raid bar, but there are still illagers, one is an evoker ( one I afraid of)

Is it possible that this is a Bug?