The 80-year-old president tripped on a sandbag and fell on stage after shaking the hand of one of the honorees. He recovered quickly and rose to his feet with the help of three of those present.
Earlier, Biden said, and he intends to run in the next election as well. Last month, he said, "I understand that age is a relevant issue. This is what everyone has in their brains. They say I'm old, I says I'm smart."