Road closed as firefighters battle brush fire near Tollhouse in Fresno County

FRESNO, Calif. (KFSN) -- Firefighters are battling a brush fire near Tollhouse in Fresno County on Tuesday morning.

The fire was first reported just before 2 am on Sycamore Road near Coyote Drive.

Fire officials say 40 acres have burned, but no homes are threatened. The blaze is 40% contained.

Several units responded to fight the blaze. Officials said a steep terrain and limited access to the flames have made fighting the fire challenging for firefighters.

A road closure is in effect at Sycamore and Watts Valley Road. It wasn't immediately clear when the roadway would reopen.

The cause of the fire is under investigation.