Firefighters found heavy smoke and flames at a vacant home in northeast Portland on Monday morning.
Fire officials said crews went inside the home at 10923 NE Fremont St., but then had to back out because of the size of the fire.
They took a defensive approach to the fire, and neighboring homes were evacuated as a precaution.
As of 6:10 a.m., the fire was nearly knocked down and investigators were responding to determine the cause of the fire.
No injuries were reported.
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