2 Samuel 18:9-10

18:9 Then Absalom happened to come across David’s men. Now as Absalom was riding on his mule, it went under the branches of a large oak tree. His head got caught in the oak and he was suspended in midair, while the mule he had been riding kept going.

18:10 When one of the men saw this, he reported it to Joab saying, “I saw Absalom hanging in an oak tree.