FREDERICK, Colo. (CBS4) – Fire investigators in Frederick say electrical wiring caused a fire at St. Theresa’s Catholic Church Tuesday night. The fire burned the walls and the attic.

(credit: Frederick-Firestone Fire Protection District)

(credit: Frederick-Firestone Fire Protection District)

People were inside at the time, but escaped to safety. As firefighters arrived, flames were shooting from the roof.

(credit: Frederick-Firestone Fire Protection District)

Firefighters got control of the fire, but the damage is too great. The building was declared uninhabitable.