UPDATE, 1:40 a.m.
Ottawa Fire crews say the fires in the two close-by homes has been extinguished. Crews are performing overhaul and salvage operations now. The fire in the place of origin is still burning on the third floor and the attic.
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Ottawa Firefighters are currently battling a large three-alarm blaze in New Edinburgh.
Fire crews say they got the call just before 11:30 Friday night, reporting a house under construction on fire, near the corner of Queen Victoria Street, and River Lane.
Soon after they got there though, the fire spread to two other homes, and the second alarm was called in.
Now the blaze is threatening close-by addresses and a third alarm has been dispatched.
No injuries have been reported, and a fire investigator is on the way.
No estimate of dollar loss is available at this point.
More to come.