Companies were disptched to the above address for a dwelling fire with entrapment. They received reports of 1 subject on the roof and another in a 2nd floor bedroom. 36-2 arrived reporting heavy smoke thoughout a 2 story twin with heavy fire venting from the 1st floor rear, Crews placed 2 lines in svc, while ladder crews removed the subject from the roof. They had heavy fire 1st floor rear advancing toward the front of the dwelling. They made a quick knock on the fire. All searches were neg for the reported 2nd person, who was found not to be home at the time. They remained on scene for over 2 hrs for extensive overhaul.