A faulty valve was to blame for disrupting Saturday night’s Harry Potter-themed concert at the Dr. Phillips Center for the Performing Arts, a spokesman said today.

About 2,700 people were evacuated from the center after fire alarms sounded about an hour into a screening of the film “Harry Potter and the Sorcerer’s Stone,” which was accompanied by musicians from the Orlando Philharmonic and singers from Central Florida Community Arts.

A valve in the center’s water system failed, a spokesman said, causing a leak in the building’s pump room. That room also houses the main fire pump controls. When the fire pumps got wet, they triggered the fire-alarm system. The valve is being replaced, he said.

Concert patrons waited about an hour before they could re-enter the building for the rest of the show.

mpalm@orlandosentinel.com

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