Less then 24 hours before the doors of the biggest event of the miami music week are set to open, tragedy struck when a row of video screens collapsed on the main stage of Ultra music festival. With two people critically injured and another two people badly wounded, this accident couldn’t have come at a worst time. Two crew members where rushed to the nearest hospital, a third that was badly injured but is now in stable conditions and the forth was treated on site. MBS Miami was on the scene for a news item.