PORTLAND, Ore. – Firefighters rescued a teen from a fire at a Southeast Portland apartment Monday night.

The teen's injuries were life-threatening, firefighters said. He was rushed to a Portland hospital.

The fire started in an apartment at 8130 SE Main St. around 6 p.m. Crews found two apartments burning when they arrived.

Firefighters called for more backup and resources with a second alarm. They found the teen unconscious in one of the apartments.

The cause of the fire has not been determined.

No other injuries were reported.

Firefighters initially said the injured person was an adult man, but later corrected themselves to say he was a teen.

PF&R said the fire will displace up to 13 adults and nine children.