WASHINGTON (WUSA9) -- The family of a man killed in a row house explosion and fire Wednesday afternoon has identified him as 46-year-old Chris Christofi.
Investigators say the fire, which caused the second floor of a home in the 1600 block of Isherwood Street, N.E to collapse onto the first floor, was intentionally set by the victim.
Christofi was an the Deputy Office Manager at Venn Strategies. He's remembered as a beloved neighbor and pet rescuer. He lived in the home alone, with his dog and cat.
The 1600 block of Isherwood Street is densely packed with row houses. There were four apartment units withing the one row house that exploded. At least three row houses and 12 units were damaged in the explosion.
Officials say the "rear of the building has collapsed" and the conditions are "extremely dangerous."
One eye witness said, "It was the biggest boom you've ever heard it sounded like a bomb it was so loud. It shook my house."
WUSA9 spoke to another eye witness who said, "Glass was everywhere, stuff was on the car and everything, then we looked up we saw the whole back of the house was out. And there was fire coming from the bottom and going up."
The Office of the Chief Medical Examiner has ruled that the decedent's death was a suicide.
PHOTOS: House fire in the 1600 block of Isherwood NE: http://on.wusa9.com/1oWWTHq