7 The LORD’s anger burned against Uzzah because of his irreverent act; therefore God struck him down, and he died there beside the ark of God.

Read 2 Samuel 6:7 Using Other Translations

And the anger of the LORD was kindled against Uzzah; and God smote him there for his error; and there he died by the ark of God.
And the anger of the LORD was kindled against Uzzah, and God struck him down there because of his error, and he died there beside the ark of God.
Then the LORD ’s anger was aroused against Uzzah, and God struck him dead because of this. So Uzzah died right there beside the Ark of God.