Units responded about 9:00 AM Saturday for the report of smoke in the area in the  400 block of N St., NW.  Engine 6 arrived to heavy smoke showing from the rowhouse at 416 N St., N.W.

As firefighters engaged an aggressive attack, Command sounded a second alarm.  One civilian suffered burns and complained of chest pain.  The 42-year-old woman was treated by medics on the scene and transported to a local hospital for further treatment. 

Firefighters' fast work resulted in the fire