NORTH HIGHLANDS (CBS13) — Two families have been displaced after a fire at a North Highlands apartment complex Tuesday morning.

Firefighters first responded to the scene along Walerga Road a little before 6 a.m. and found one unit of a four-plex heavily involved.

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The fire was knocked down. No injuries have been reported.

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It’s unclear how many other units may have been damaged, but at least two families have been displaced.

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The cause of the fire is now under investigation.