“And the three hundred blew the trumpets, and the Lord set euery mans sword against his fellow, euen throughout all the host: and the host fled to Beth-shittah, in Zererath, and to the border of Abel Meholah, vnto Tabbath.”
1611 King James Version (KJV)
7:22 Against his fellow - They slew one another, because they suspected treachery, and so fell upon those they first met with; which they might more easily do, because they consisted of several nations, because the darkness of the night made them unable to distinguish friends from foes, because the suddenness of the thing struck them with horror and amazement; and because God had infatuated them, as he had done many others.