2 Samuel 6:6-7 (NKJV)

6 "And when they came to Nachonís threshing floor, Uzzah put out his hand to the ark of God and took hold of it, for the oxen stumbled."
7 "Then the anger of the LORD was aroused against Uzzah, and God struck him there for his error; and he died there by the ark of God. "