The last couple of years have been bad stage collapses and concert accidents. Ottawa Blues Fest. Radiohead at Downsview Park in Toronto. The Sugarland tragedy in Indianapolis. The Las Vegas EDM incident.
The first accident of 2013 happened during setup for Miami's Ultra Music Festival when a section of a giant LED screen fell. One worker was sent to hospital in critical condition while another was listed as serious.
Some 165,000 people are expected this weekend and next to see EDM performers such as Deadmau5, Carl Cox and Fatboy Slim.