GILBERT, Ariz. - The huge condo construction fire in Gilbert last weekend has been declared arson by police and fire investigators.

The fire, which burned eight buildings near Gilbert and Guadalupe roads Saturday night, caused damage in excess of $10 million.

According to a release from the Gilbert Fire Department, 30 investigators have conducted approximately 200 interviews and reviewed video and photos related to the blaze.

Between several agencies and the developer of the condo complex, a reward of $30,000 is available for information on the destructive fire.

If you have information, you can call the Gilbert Arson Hotline at 480-503-6346 or fireinvestigations@gilbertaz.gov.