Ten Hawaii County Fire Department companies, a volunteer company and two police units responded at 3:06 p.m. Tuesday to a five-acre brush fire in Waikoloa, which spread to eight acres.

The fire scorched grass and brush on the Waikoloa side of Kawaiahae Road between the 64- and 65-mile markers.

Police kept one lane of Highway 19 closed for several hours, fire officials said.

Firefighters brought the blaze under control by dusk at 4:17 p.m.

Fire officials said westerly winds were blowing 10 to 15 mph.

The cause of the fire was undetermined.

Three firefighters remained on scene to monitor the situation during the night.