FALLBROOK–Firefighters battled a wildfire Tuesday afternoon on the hills in Fallbrook, Cal Fire said.

Cal Fire crews responded to the 12-acre blaze about 1:30 p.m. between Via Ranchitos and Vista del Lago. They were able to contain the fire in the remote area. No structures were damaged or homes threatened, according to Cal Fire.

As of Wednesday, overnight fire crews were able to increase containment to 90%.

Authorities are investigating the incident.