GARDNERVILLE, Nev. (AP) — A lightning-caused wildfire in northern Nevada continues to grow, prompting officials to keep voluntary evacuations in place for areas near Gardnerville.

The Douglas County sheriff's office tells the Reno Gazette-Journal (http://on.rgj.com/2utwEAA ) the fire has now spread to 3,130 acres (13 square kilometers).

Authorities say the fire is moving northward and toward residential areas. The county's community and senior center has been set up as a shelter for evacuees. The county fairgrounds is open for the evacuees' large animals.

The newspaper reports the fire started early Monday and spread quickly, with high winds pushing it past retardant lines.

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Information from: Reno Gazette-Journal, http://www.rgj.com