Fire crews worked through the night to contain the blaze. (Hawaii 24/7 photo by Karin Stanton)

Karin Stanton | Hawaii 24/7 Editor

Fire crews were battling a brushfire into the early hours of Friday, Aug. 12 along the lower part of Kaiminani Drive in Kona.

Authorities evacuated some residents and opened Kekuaokalani Gym in Kona as a shelter by about midnight.

Residents said they heard the first firetrucks shortly after 9 p.m. and watched as the fire seemed to spread south across brushland just below Kakahiaka Street.

One bystander was in contact with a friend, who reported flames were within 20 feet of the road and getting closer.

Officials said the fire was estimated at 5 acres and a bulldozer would work through the night to cut a fire break around the blaze and protect apartments and houses.

Kaiminani Drive remains closed to all traffic.

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UPDATED: 3:45 a.m. Friday, Aug. 12

Fire officials are tentatively saying the brushfire is contained.

No injuries have been reported and no structures have been damaged.

Crews remain on the scene.

Kaiminani Drive remains closed at 4 a.m. However, officials are hoping to have it open in time for the morning commute.

UPDATED: 4:30 a.m. Friday, Aug. 12

Kaiminani Drive has been opened to traffic but motorists should use caution due to fire vehicles in the area.