On Monday (Jan. 16, 2012) Seminole County firefighter Al Caballero applied water to the smoldering base of The Senator. Phelan M. Ebenhack/AP hide caption toggle caption Phelan M. Ebenhack/AP The Two-Way One Of World's Oldest Cypress Trees, 'The Senator,' Burns In Florida January 17, 2012 Investigators are now saying arson was not the likely cause of Monday's fire that brought down the 3,500-year-old tree. It's possible a lightning strike a week ago started smoldering inside the giant.