At about 10:00am on Thursday July 23, Troy FD was dispatched to an alarm of fire. With heavy fire upon arrival a 2nd alarm was transmitted. The #2 and 4 exposures started to ignite and brought a third alarm. The 3rd alarm was covered by the City of Watervliet Tower 1 and Watervliet Arsenal Engine 1. City of Albany also responded as RIT. Green Island and City of Cohoes covered the rest of the city. The fire building was gutted but the exposures were saved w/little damage. The fire has been ruled suspicious and sent one Troy firefighter to the hospital w/heat exhaustion.