The fire is near South Dayton Street and Florida Avenue in Aurora at The Potter's House Church.
According to David Markham with the Cunningham Fire Department, 40 people were in the church at the time of the fire. No one was injured.
The first fire call came in at 11:53 a.m., and fire departments were able to respond within three minutes. Thirty-five firefighters fought the blaze.
There was a wedding scheduled for the church on Wednesday, but that ceremony has since been delayed.
Fire departments are still investigating the cause of the fire.
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