VENTURA (CBSLA) — Four people were injured, two critically, after a fire broke out in east Ventura early Sunday morning, authorities said.

Firefighters say the fire broke out just before 1 a.m. in the 10 block of Q Street in Cabrillo Village.

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It was there that authorities say two homes were consumed by the fire, and an adjacent home was damaged.

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Of those injured, two were transported in critical condition. The two others were said to have sustained moderate injuries.

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The cause of the fire was not immediately known. However, damage was estimated at over $500,000.