FRESNO, Calif. (KFSN) -- CAL Fire crews are battling a large blaze in Merced County.
The Pass Fire quickly spread to 2,192 acres Monday morning, and containment is now at 50%.
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The fire is burning off Highway 152 and Dinosaur Point Road, along the Pacheco Pass.
Residents have been reporting smoky conditions impacting several North Valley cities.
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So far, no structures are threatened. The cause of the fire is under investigation.