New Western Fire in Mendocino County near Highway 101 50% contained

HOPLAND, Calif. (KTVU) - The forward spread of the so-called Western Fire in Mendocino County has been stopped and is 50 percent contained, Cal Fire officials tweeted Wednesday evening. 

The latest fire to erupt Wednesday in the wildfire-stricken county burned 45 acres off of Highway 101 south of Hopland, officials said. 

Mendocino County Sheriff's Office issued an evacuation warning around 4:40 p.m. Wednesday. Residents in the area of mile marker two on south Highway 101 Hopland, east to the Mendocino and Lake County line and south to Mendocino and Sonoma County line, should be ready to evacuate the area as soon as necessary. 

No injuries have been reported and no further information was immediately available. 

This is the fourth major fire in Mendocino County since Friday. The Mendocino Complex Fires are two fires that have been combined into one. The Eel Fire started Tuesday. 

This is a developing story. Check back for updates,.