A battalion chief from Kern County involved in the Canyon fire operations was seriously injured when his truck rolled over.

The National Weather Service said the alert will be in effect until Sunday morning in the Santa Clarita Valley and Saturday night in parts of Los Angeles, Ventura, San Bernardino, and Riverside counties.

The warnings were lifted as of 7 a.m. August 9, according to the Los Angeles County Fire Department. Evacuation orders in the county had been downgraded to warnings on Friday. Evacuation warnings in Ventura County have also been lifted, according to the Ventura County Fire Department. Containment of the fire was at 28%, according to Cal Fire.

A Southern California wildfire forced thousands in Los Angeles and Ventura counties and a local emergency proclamation was issued after igniting and exploding in size during a searing heat wave on Thursday.