Update, 9:30 p.m.
A vegetation fire north of the Cholame Y on Highway 41 has been contained at 8 acres. According to Cal Fire, the cause of the fire was from the exhaust of an unknown vehicle.
Seven engines and a chief officer responded to the blaze.
A 5-acre vegetation fire is burning north of Shandon on Highway 41 on Sunday evening.
The fire has the potential to grow to 15 to 20 acres, according to a Cal Fire spokeswoman.
Cal Fire crews are on the scene of the fire.