Smoke from the 4,000-acre blaze is infiltrating the Truckee area, and the smell of smoke is strong through the American River canyon into Placerville from Lake Tahoe. As of Saturday evening the fire was 20 percent contained. Authorities as warning people that smoke could be an issue for the next few days.

The fire is east of Highway 49 and five miles north of Plymouth.

More than 450 people have been evacuated in the Fair Play, Somerset and Outingdale communities. This area is home to vineyards and ranches. Several horse trailers were seen fleeing the area.

CalFire said the fire started July 25 when a vehicle drove over dry vegetation.

— Lake Tahoe News staff report