By Christopher Baker

STOCKTON (CBS13) — Stockton Firefights responded to a large fire at an abandoned building early Friday morning.

The active downtown Stockton fire off Weber Avenue and California Avenue prompted a massive response from fire crews.

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Initially, firefighters were kept at a distance because it was too dangerous to go inside the building.

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The cause of the fire is unknown; at this time, no injuries have been reported.

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We will continue to update this story.