• The shooting occurred during the event, sending families and spectators fleeing for safety.
• Investigators are examining reports that an argument over a parking space may have preceded the gunfire, though officials have not confirmed a motive.
• The girl was pronounced dead, while three injured victims were taken to hospitals for treatment. Their conditions were not immediately available.
• Police were working to identify and locate the shooter, and officials urged witnesses to share video or other information.
• The violence has intensified concerns about gun safety at community events attended by children and families.