For the LORD had caused the army of the Syrians to hear the noise of chariots and the noise of horses--the noise of a great army; so they said to one another, "Look, the king of Israel has hired against us the kings of the Hittites and the kings of the Egyptians to attack us!"
2 Kings 7:6
Surrounding context
7:5 And they rose at twilight to go to the camp of the Syrians; and when they had come to the outskirts of the Syrian camp, to their surprise no one was there.
7:6 For the LORD had caused the army of the Syrians to hear the noise of chariots and the noise of horses--the noise of a great army; so they said to one another, "Look, the king of Israel has hired against us the kings of the Hittites and the kings of the Egyptians to attack us!"
7:7 Therefore they arose and fled at twilight, and left the camp intact--their tents, their horses, and their donkeys--and they fled for their lives.