Two of three North Kona brush fires on Hawaii island’s west side this week near Mamalahoa Highway appear to be suspicious, according to Hawaii County fire officials.

No structures were damaged as a result of the fires.

All three fires in the Puu Anahulu Game Management Area have been contained, according to the state Department of Land and Natural Resources, which assisted county fire personnel.

The first fire was reported at 3:33 p.m. Monday on the mauka side of Hawaii Belt Road or Route 190 in the area of the 14-mile marker in Kailua-Kona. That brush fire consumed 588 acres.

The fire spread north toward the Daniel K. Inouye Highway, about 4 miles east and 2 miles south along Hawaii Belt Road.

At 3:54 p.m. Tuesday, Kona police and fire personnel responded to a report of a brush fire on the mauka side of Hawaii Belt Road in the area of the 16-mile marker near Puuanahulu. That fire blackened about 150 acres of vacant land.

A third brush fire was reported in the area of the 23-mile marker, also on Hawaii Belt Road. Fire personnel were able to quickly extinguish that fire, which burned about a quarter-acre and was not considered suspicious.