2 Chronicles 20:22

Overview - 2 Chronicles 20
Jehoshaphat, invaded by Moab, proclaims a fast.
His prayer.
14 The prophecy of Jahaziel.
20 Jehoshaphat exhorts the people, and sets singers to praise the Lord.
22 The great overthrow of his enemies.
26 The people, having blessed God at Berachah, return in triumph.
31 Jehoshaphat's reign.
35 His convoy of ships, according to the prophecy of Eliezer, unhappily perish.
Treasury of Scripture Knowledge

2 Chronicles 20:22  (King James Version)
And when they began to sing and to praise, the LORD set ambushments against the children of Ammon, Moab, and mount Seir, which were come against Judah; and they were smitten.

when they
Hebrew in the time that they, etc. to sing and to.
in singing and. the Lord set ambushments. Houbigant's version is, "the Lord set against the children of Amon and Moab ambushments of those who came from mount Seir against Judah; and the children of Ammon and Moab were smitten: but they afterwards rose up against the inhabitants of mount Seir, and utterly destroyed them; who being destroyed, they rose up one against one another, and mutually destroyed each other."
Judges 7:22 ; 1 Samuel 14:16 1 Samuel 14:20 ; 2 Kings 6:17 ; Psalms 35:5 Psalms 35:6 ; Isaiah 19:2 ; Ezekiel 38:21

were smitten
or, smote one another.