And when Abner had returned to Hebron, Joab took him aside in the gate to speak with him quietly, and struck him there under the fifth rib, so that he died, for the blood of Asahel his brother.
But Amasa took no heed to the sword that was in Joab’s hand: so he struck him with it in the fifth rib, and shed out his entrails to the ground, and struck him not again; and he died. So Joab and Abishai his brother pursued after Sheba the son of Bichri.