Redding Fire Department is investigating two separate commercial structure fires that happened Friday morning. The first one broke out on the exterior of the old Meeks Hardware, a long-vacant boarded-up building on East Cypress Avenue at Larkspur. At 4:40AM a second blaze was reported at the Denny’s Restaurant off Bechelli Lane. That fire also started on the outside. The restaurant was closed at the time. Damage is estimated at $25,000 to the building and $500 worth of contents. Redding Fire officials say it’s not yet known if the fires were related.