Imperial Valley firefighters called to Mariposa County to battle a brush fire were providing protection for structures as flames continued to threaten homes in several communities.
Deemed the Creek Fire, the blaze had burned more than 11,000 acres in Northern California and containment was not expected until 5 p.m. Saturday.
Just after 4 a.m. Tuesday, Imperial Valley firefighters were asked to join in battling the blaze.
Local fire agencies mobilized a strike team from the El Centro, Calexico, Brawley, Calipatria and Imperial County fire departments.
A second strike team, made up of the Holtville, Naval Air Facility El Centro and the city of Yuma fire departments as well as crews from Calipatria and Centinela state prisons, remained on high alert this morning.
El Centro Fire Chief Charles Beard, in charge of organizing the strike teams, said the second team still could be called to Mariposa County.