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SAN DIEGO (CNS) – Firefighters in East County continued to battle a 515-acre vegetation fire in Canebreak Canyon Sunday.

The Overland Fire was 25% contained by 2:15 p.m. Sunday, while the size grew to 515 acres by 7 p.m., Cal Fire San Diego said, as crews on the ground worked overnight to build a containment line.

The fire began at 9:15 a.m. Saturday and quickly grew from 10 acres to 343 acres by 1:20 that afternoon.

Ground resources were flown in by helicopter to the remote area Saturday, officials said.

The fire was west of county Highway S-2 and Canebrake Canyon Road. It was near a small desert community east of Mount Laguna, south of Borrego Springs.

No structures were threatened, Cal Fire said.

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