A festival spokesperson said in an emailed statement that a 35-year-old Canadian woman fell ill at the event Friday and was hospitalized. But organizers were told Saturday morning she had died.

A spokeswoman for the Tomorrowland music festival says a Canadian woman has died after attending the large gathering in Belgium. Debby Wilmsen says in an emailed statement that a 35-year-old Canadian woman fell ill at the festival on Friday.

Video showed thick plumes of black smoke rising from the famed festival grounds in Boom, Belgium on Wednesday. Fireworks could also be seen and heard going off in the distance.