1 Samuel 14:20
And Saul and all the people that were with him assembled themselves, and they came to the battle: and, behold, every man's sword was against his fellow, and there was a very great confusion.
Judges 7:22
And the three hundred blew the trumpets, and the LORD set every man's sword against his fellow, even throughout all the host: and the host fled to Bethshittah in Zererath, and to the border of Abelmeholah, unto Tabbath.
2 Chronicles 20:23
For the children of Ammon and Moab stood up against the inhabitants of mount Seir, to slay and destroy them utterly: and when they had made an end of the inhabitants of Seir, everyone helped to destroy one another.
1 Samuel 14:16
And the watchmen of Saul in Gibeah of Benjamin looked; and, behold, the multitude melted away, and they went here and there.
Isaiah 9:19-21
Through the wrath of the LORD of hosts is the land burned, and the people shall be as the fuel for the fire: no man shall spare his brother.
Isaiah 19:2
And I will set the Egyptians against the Egyptians: and they shall fight everyone against his brother, and everyone against his neighbor; city against city, and kingdom against kingdom.