A spokesperson for the venue told Pollstar despite reports of a fire and confusion, it was a minor issue and the building was evacuated in an orderly manner as a safety precaution.
A June 7 performance by The Dan Band, has been postponed to give The Fillmore staff time to correct the problem and will be rescheduled in the near future.
The Dethklok show has been moved to June 9, with an appearance by Fish scheduled for that night moved to The Great American Music Hall. Original tickets for both gigs will be honored. Refunds are available at the place of purchase.