LAKE ARROWHEAD ( —  A 15-acre brush fire has been reported near the Arrowhead Springs Resort.

Officials said the fire — reported just before 3:10 p.m. Sunday — is burning near the south end of Waterman Canyon.

READ MORE: Exclusive Video: Glenn Allen Brooks, 61, Of Huntington Beach Arrested Thursday In Connection To Jan. 6 U.S. Capitol Riot

Authorities said Highway 18 is closed from 40th Street North to Hwy 138.

Four crews, including 10 engines, one water tender, three helicopters, two air tankers and one air attack plane are fighting the blaze.

READ MORE: DUI Suspect Arrested In Deadly Traffic Collision That Killed 2 People On 110 Freeway In South LA Sunday

A few homes were in the line of fire but firefighters had it 50 percent contained within two hours.

Cause of the fire is under investigation.

Listen to KNX 1070 for the latest traffic information.

MORE NEWS: LAPD Report On Echo Park Protest Says Better System For Tracking Projectiles And Dealing With Independent Journalists Needed