Then David ran, and stood over the Philistine, and took his sword, and drew it out of the sheath of it, and killed him, and cut off his head therewith. When the Philistines saw that their champion was dead, they fled.
And so on the mountain on the one side was the camp of the Philistines, on the mountain on the other side was the camp of Israel ( 1 Samuel 17:3 ):