Joshua 8:21

When Joshua and all Israel saw that the [men in] ambush had taken the city and that the smoke of the city was ascending, they turned back and struck down the men of Ai.

Treasury of Scripture Knowledge

Summary

And when Joshua and all Israel saw that the ambush had taken the city, and that the smoke of the city ascended, then they turned again, and slew the men of Ai.

General references

Bible References

General references

2 Samuel 10:9
Now when Joab saw that the battlefront was against him in front and in the rear, he selected some of all the choice men in Israel and set them in battle formation to meet the Arameans (Syrians).