Guam - The Guam Fire Department confirms they're calling in help to investigate what sparked a fire at Hafa Adai Exchange last week.

According to GFD acting spokesperson Kevin Reilly, the Bureau of Alcohol Tobacco Firearms and Explosives will assist because of the estimated loss value totaling over $100,000.

It was early Friday morning the fire broke out with GFD securing the scene within the hour. The fire devastated 19 shops onsite.