RIVERSIDE (CBS) —  A 20-year-old San Diego man injured Friday in an accidental fireworks explosion died Sunday, coroner’s officials said in a written statement.

William Calabrese died from his injuries at 8:10 a.m. at the Arrowhead Regional Medical Center, according to the statement.

In the explosion, a Riverside Country Fire Department inspector was also injured.

Calabrese and the inspector were injured after a cache of fireworks set to be shot off Friday at the Lake Elsinore Storm baseball game exploded at once.

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