Article Photos: Calif. fireworks accident injures 39 2/7

In this frame grab from video provided by Zach Reister, authenticated by checking against known locations and events, and consistent with Associated Press reporting, medical personnel attend the injured after a fireworks show in Simi Valley, Calif., Thursday, July 4, 2013. More than two dozen people were injured when a wood platform holding live fireworks tipped over, sending the pyrotechnics into the crowd at the Fourth of July show, authorities said Friday. (AP Photo/Zach Reister)