2 Kings 3:26-27

26When the king of Moab saw that the battle was too fierce for him, he took with him seven hundred men who drew swords, to break through to the king of Edom; but they could not.

27Then the king of Moab took his oldest son who was to reign in his place, and 1offered him as a burnt offering on the wall. And great anger came upon Israel, and they departed from him and returned to their own land.