2 Samuel 20:10

20:10 But Amasa took no heed to the sword that was in Joab's hand: so he struck him therewith in the body, and shed out his bowels to the ground, and didn't strike him again; and he died. Joab and Abishai his brother pursued after Sheba the son of Bichri.
-World English Bible

Other Translation

20:10 But Amasa took no heed to the sword that [was] in Joab's hand: so he smote him therewith in the fifth [rib], and shed out his bowels to the ground, and struck him not again; and he died. So Joab and Abishai his brother pursued after Sheba the son of Bichri.
-King James Version