1 Samuel 14:20
And Saul and all the people that were with him assembled themselves, and they came to the battle; and, behold, each man's sword was against his fellow, and there was a very great discomfiture.
Judges 7:22
But the three hundred blew the shofarot, and the LORD set each man's sword against his fellow, even throughout all the camp; and the host fled to Bethshittah in Zererath and to the border of Abelmeholah unto Tabbath.
2 Chronicles 20:23
And the sons of Ammon and Moab rose up against the inhabitants of Mount Seir, utterly to slay and destroy them; and when they had made an end of the inhabitants of Seir, each one helped his companion to kill himself.
1 Samuel 14:16
And the watchmen of Saul in Gibeah of Benjamin looked, and, behold, the multitude melted away, and they went on beating down one another.
Isaiah 9:19-21
Through the wrath of the LORD of the hosts the land is darkened, and the people shall be as the fuel of the fire; no man shall spare his brother.
Isaiah 19:2
And I will set the Egyptians against the Egyptians, and they shall fight each one against his brother, and each one against his neighbour; city against city and kingdom against kingdom.