

NEVADA COUNTY, Calif. (KGO) -- A vegetation fire that broke out near Interstate 80 on the California-Nevada border Wednesday morning has prompted evacuation warnings, CAL FIRE says.
The video in the player above is from a previous report.
The Floriston Fire was first reported just after 10 a.m. near I-80 and Floriston Way, approximately nine miles northeast of Truckee, and is said to be burning at a dangerous rate of speed.
CAL FIRE said additional air and ground resources have been requested in response to the fire's rate of spread. The fire was reported at 640 acres and 5% containment as of noon Thursday.
Evacuation warnings are in place for the following areas:
Nevada County:
Sierra County:
Westbound traffic has been closed at the Nevada State Line on I-80, according to California High Patrol.
No injuries have been reported and the cause of the fire is still unknown.
MAP: Track wildfires across California
Stay with ABC7 Eyewitness News for the latest details on this developing story.