At least 36 people were injured in the July 4th fireworks accident in Simi Valley, California when a mass explosion shot fireworks .\r
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As many as 20 Fourth of July celebrants were injured Thursday night in a fireworks mishap, according to Simi Valley police. The incident happened about 9:20 .\r
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The injury count changed multiple times over the course of a quickly developing breaking news story. As of 11:30 p.m., 28 people were reported injured, Ventura .\r
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Authorities say 28 people have been injured due to malfunctioning fireworks at an annual 4th of July show in Simi Valley. Twenty people were taken to hospitals .
