1 Samuel 14:20
And Saul and all the people that were with him were called together, and they came to the battle; and behold, every man's sword was against his fellow, a very great confusion.
Judges 7:22
When they blew the three hundred trumpets, the LORD set every man's sword against his fellow and against all the army; and the army fled as far as Beth-shit'tah toward Zer'erah, as far as the border of A'bel-meho'lah, by Tabbath.
2 Chronicles 20:23
And the children of Ammon and Moab stood up against the inhabitants of mount Seir, to exterminate and destroy them; and when they had made an end of the inhabitants of Seir, they 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 on slaying one another.
Isaiah 9:19-21
Through the wrath of Jehovah of hosts is the land burned up, and the people is as fuel for fire: a man spareth not his brother;
Isaiah 19:2
And I will incite the Egyptians against the Egyptians; and they shall fight every one against his brother, and every one against his neighbour; city against city, kingdom against kingdom.