The LORD cast down great stones from heaven upon them ... and they died. 10:11
Trivia: What did God tell Joshua to do after the Israelites crossed the Jordan River in Joshua 4?
And according to 1 Kg 16:34 this prophecy was fulfilled, when Hiel rebuilt Jericho, laying the foundation with his oldest son and the gate with his youngest son "according the word of the Lord." 6:26