KELSEYVILLE, Calif. – Firefighters throughout the day on Sunday made more progress on the Peterson fire burning near Kelseyville, raising containment and holding it to limited growth.

The fire, burning on Peterson Lane since about 5:30 p.m. Saturday, had burned 215 acres and was 30-percent contained by the time of Cal Fire's Sunday evening report.

Cal Fire said structures remained threatened, but not had been destroyed.

The agency said there were no road closures or evacuation orders in effect in the fire area, and no injuries.

More than 300 personnel were added to the team fighting the fire on Sunday, bringing the total number of personnel to 989, along with 45 overhead or command personnel, 41 engines, 41 fire crews, 10 bulldozers, nine water tenders and three helicopters, according to Cal Fire.

Cal Fire said air resources and ground crews throughout Sunday were aggressive in battling the fire, which is located in steep terrain that's covered heavily in brush and is difficult access.

Firefighters will continue their work tonight to gain additional containment and control, Cal Fire said.

The Peterson fire's cause, according to Cal Fire, remains under investigation.

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