Numbers 35:15

35:15 For the children of Israel, and for the stranger and for the foreigner living among them, shall these six cities be for refuge; that everyone who kills any person unwittingly may flee there.
-World English Bible

Other Translation

35:15 These six cities shall be a refuge, [both] for the children of Israel, and for the stranger, and for the sojourner among them: that every one that killeth any person unawares may flee thither.
-King James Version