Judges 20:33

So all the men of Israel rose from their place and put themselves in battle array at Baal Tamar. Then Israel's men in ambush burst forth from their position in the plain of Geba.

Surrounding context

20:32 And the children of Benjamin said, "They are defeated before us, as at first." But the children of Israel said, "Let us flee and draw them away from the city to the highways."

20:33 So all the men of Israel rose from their place and put themselves in battle array at Baal Tamar. Then Israel's men in ambush burst forth from their position in the plain of Geba.

20:34 And ten thousand select men from all Israel came against Gibeah, and the battle was fierce. But the Benjamites did not know that disaster was upon them.

Translation and sources