King James Version
And Cain talked with Abel his brother: and it came to pass, when they were in the field, that Cain rose up against Abel his brother, and slew him.English Standard Version
Cain spoke to Abel his brother. And when they were in the field, Cain rose up against his brother Abel and killed him.New International Version
Now Cain said to his brother Abel, "Let's go out to the field." And while they were in the field, Cain attacked his brother Abel and killed him.