HAMILTON HEIGHTS, Manhattan (WABC) — Nearly a dozen people, including 4 firefighters were injured in an apartment fire in Manhattan. The 2-alarm fire broke out on the third floor of the 6-story building on 601 West 135th Street in Hamilton Heights just after 8:30 p.m. Friday. Seven people inside the building were hurt. Four firefighters were also hurt. Officials say all the injuries are minor. The FDNY reports the fire started in a bedroom while the residents were in another room watching TV. An investigation is underway, but there is no reason to believe the fire is suspicious.