CARMICHAEL (CBS13) — Two people have been displaced after an early morning duplex fire in Carmichael.

The extent of the fire inside the duplex. (Credit: Sacramento Metro Fire)

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Metro Fire says crews responded to the scene on Scranton Circle a little before 3 a.m.

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Firefighters went to work quickly and were able to knock the flames down, isolating it to one unit.

It appears the fire started on a patio where the homeowner smoked cigarettes, Metro Fire says. The flames then made their way into the home.

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No injuries were reported.