As they fled from Israel on the slope leading down from Beth Horon, the LORD threw down on them large hailstones from the sky, all the way to Azekah. They died--in fact, more died from the hailstones than the Israelites killed with the sword.
Genesis 12:8
Then he moved from there to the hill country east of Bethel and pitched his tent, with Bethel on the west and Ai on the east. There he built an altar to the LORD and worshiped the LORD.
Genesis 13:3
And he journeyed from place to place from the Negev as far as Bethel. He returned to the place where he had pitched his tent at the beginning, between Bethel and Ai.
Genesis 14:10
Now the Valley of Siddim was full of tar pits. When the kings of Sodom and Gomorrah fled, they fell into them, but some survivors fled to the hills.
Genesis 22:22
Kesed, Hazo, Pildash, Jidlaph, and Bethuel."
Genesis 22:23
(Now Bethuel became the father of Rebekah.) These were the eight sons Milcah bore to Abraham's brother Nahor.