MARYSVILLE, Wash. (AP) — A 21-year-old man has died from injuries sustained from a firework explosion on the Fourth of July. The Everett Herald reports Marysville firefighters and police were called 51st Avenue NE around 11:50 p.m. Saturday. The Marysville man had significant injuries to this upper body. He was rushed to the hospital but did not survive, according to a news release from the Marysville Fire District. The police determined the death was accidental after a mortar-style firework exploded prematurely.