or in enmity strikes another with the hand, and death ensues, then the one who struck the blow shall be put to death; that person is a murderer; the avenger of blood shall put the murderer to death when they meet.
or, while handling any stone that could cause death, unintentionally drops it on another and death ensues, though they were not enemies and no harm was intended,
Suppose someone goes into the forest with another to cut wood, and when one of them swings the ax to cut down a tree, the head slips from the handle and strikes the other person, who then dies; the killer may flee to one of these cities and live.
And if the avenger of blood is in pursuit, they shall not give up the slayer because the neighbor was killed by mistake, there having been no enmity between them before.