1 Chronicles 19:15

Overview - 1 Chronicles 19
1	David's messengers, sent to comfort Hanun, the son of Nahash, are villainously treated.
6	The Ammonites, strengthened by the Syrians, are overcome by Joab and Abishai.
16	Shophach, making a new supply of the Syrians, is slain by David.

1 Chronicles 19:15  (King James Version)
And when the children of Ammon saw that the Syrians were fled, they likewise fled before Abishai his brother, and entered into the city. Then Joab came to Jerusalem.