20 hospitalized after Independence Day event near LA
                                
                                
                                    (Newser) -
                                    A crowd gathered for Fourth of July fireworks saw celebration turn to disaster as an explosion hurt 28 people. Twenty of those were hospitalized, four with "moderate to severe injuries,"  NBC Los Angeles  reports. Their wounds, however, aren't life-threatening, the  AP  notes. The incident occurred in Simi...