2 Samuel 2:23

23But he refused to turn aside. Therefore Abner struck him ain the stomach with the butt of his spear, so that the spear came out at his back. And he fell there and died where he was. And all who came to the place where Asahel had fallen and died, stood still.

2 Samuel 3:27

27And when Abner returned to Hebron, Joab took him aside into the midst of the gate to speak with him privately, band there he struck him cin the stomach, so that he died, for the blood of Asahel his brother.

2 Samuel 20:10

10But Amasa did not observe the sword that was in Joab’s hand. dSo Joab struck him with it ein the stomach and spilled his entrails to the ground without striking a second blow, and he died.

Then Joab and Abishai his brother pursued Sheba the son of Bichri.
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