Joab kills Amasa
Joab met Amasa in Gibeon and murdered him. Then he and Abishai and their men continued in their pursuit of Sheba.
Key passages
2 Sa 20:8–13

They were near the big rock that is in Gibeon, and Amasa came before them. Joab was dressed in his military clothing, with a utility belt on him and a sword strapped to his waist in its scabbard. Now he went out, and it fell out. Then Joab said to Amasa, “Is it peace, O you my brother?” Then …

See also
1 Ki 2:5; 1 Ki 2:32;