Written by AARON CASTREJON
UPDATE, 9:12 a.m.: Authorities are investigating a possible human aspect to this fire on East Fork Road. A suspect has been detained on an unspecified trail in the area near the fire. the CHP and county deputies are en route to the detained suspect.
UPDATE, 9:07 a.m.: Forward progress on the fire has been stopped at four acres. Aircraft have helped tremendously in keeping the flames from spreading, according to the U.S. Forest Service.
MOUNTAINS - The Los Angeles County Fire Department and U.S. Forest Service firefighters are responding to a brush fire along East Fork Road near Glendora Mountain Road above San Dimas.
A technician with the US Forest Service reports three to five acres running slowly uphill.
The fire was reported around 7:51 a.m.