Investigators now seek the cause of the flames, which destroyed both buildings, displaced 21 residents of neighboring buildings, and injured two firefighters. Nearby buildings at 323 and 335 Clinton Ave. sustained smoke and water damage. On Thursday, firefighters responded to a mid-afternoon fire in a bedroom on Elk Street, later determined to be an accidental electrical fire. No one was hurt or displaced, Gregory said, but one elderly resident went to the hospital as her medical devices were destroyed in the fire. Around 6 p.m.