Firefighter injured in Jersey City apartment building fireJERSEY CITY, New Jersey (WABC) -- Massive flames burned through the roof of an apartment building in Jersey City, injuring one firefighter. The fire started just before 2 a.m. on the top floor of the four-story building. One firefighter was treated for a back injury. Send it to Eyewitness News using the form below. If attaching a video or photo, terms of use apply.