NewsCopter 7 was over the scene at 14 Raymond Street just before 9:30 a.m. on Friday.
Authorities say 47-year-old Alex Kirton set the fire while his roommates were inside.
A 41-year-old man suffered second and third degree burns in the fire and is in critical condition at a local hospital.
The second victim, a 68-year-old man, suffered smoke inhalation and has since recovered and been released from the hospital.
Kirton is charged with arson and attempted murder.
The identities of the victims have not yet been released.
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