A firefighter narrowly avoided serious injury after a roof collapsed on him while he was battling flames in Somers on Monday afternoon. Fire officials tell News 12 that flames broke out at the Heritage Hills Complex in a building that houses the gym and security offices.  About 40 firefighters worked to put out the fire. \ It was a close call for one Somers firefighter after the flames quickly spread to the roof. "We did have a partial collapse inside, some of the ceiling...