2 Kings 3:26

Overview - 2 Kings 3
1	Jehoram's reign.
4	Mesha rebels.
6	Jehoram, with Jehoshaphat, and the king of Edom, being distressed for want of water, by Elisha obtains water, and promise of victory.
21	The Moabites, deceived by the colour of the water, coming to spoil, are overcome.
26	The king of Moab, failing in his attempt to break through to the king of Edom, sacrifices his son, and raises the siege.

2 Kings 3:26  (King James Version)
And when the king of Moab saw that the battle was too sore for him, he took with him seven hundred men that drew swords, to break through even unto the king of Edom: but they could not.