Emergency officials reported that five men were injured during event setup when scaffolding and display screens collapsed. One of the men suffered a serious head injury. Fire crews responded to the incident, which occurred on Tuesday morning, and found that three people were initially reported trapped under a stage.

The cause of the collapse is unknown. Three of the injured men were taken to hospitals. Firefighters used airbags to lift LCD screens off one of the trapped patients.

Further details about the incident are available from emergency officials, who responded to the property at 3838 Lucas Valley Road.