WEB
When Abner was returned to Hebron, Joab took him aside into the midst of the gate to speak with him quietly, and struck him there in the body, so that he died, for the blood of Asahel his brother.
YLT
And Abner turneth back to Hebron, and Joab turneth him aside unto the midst of the gate to speak with him quietly, and smiteth him there in the fifth rib—and he dieth—for the blood of Asahel his brother.