Crazy fast the fire spreads to the stage.
"Barcelona firefighters said there were no serious injuries during the evacuation but the event's private security treated 20 people for minor injuries or anxiety".
https://www.youtube.com/watch?v=_MNPSSswL0M
https://www.youtube.com/watch?v=EWoTAs8bvIk
How did laser show at this event ? Much equipment is properly destroyed.