2 Kings 3:21

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 3:21  (King James Version)
And when all the Moabites heard that the kings were come up to fight against them, they gathered all that were able to put on armour, and upward, and stood in the border.