Two firefighters were hurt when they fell through the floor while battling the flames at a San Francisco house under construction Wednesday morning. A third firefighter also got medical care after the fast-moving fire ripped through multiple stories.
Four neighbors were displaced because of the fire that started around 4 a.m. in the 2500 block pf Chestnut Street in the Marina District. It’s not far from the Presidio and 145 firefighters responded to the three-alarm fire…