(Albany, OR)  --  A suspect is in custody after being accused of setting fire to South Albany High School.  Authorities say 28-year-old Zachary Lee Burghart has been booked on charges of arson and criminal mischief, as well as charges of hit-and-run for crashing into a parked vehicle and damaging the gates outside the school.  The cafeteria building at South Albany High was heavily damaged by the four-alarm fire early Wednesday morning.  Police say Burghart is a Navy veteran who suffers from post-traumatic stress disorder.