Bible Verses About Sieges: Frequently taken by ambush

He took the people, and divided them into three companies, and laid wait in the field; and he looked, and behold, the people came out of the city; He rose up against them, and struck them.

Abimelech, and the companies that were with him, rushed forward, and stood in the entrance of the gate of the city: and the two companies rushed on all who were in the field, and struck them.