Molokai fire officials are investigating the cause of five brush fires that were set Tuesday afternoon along Maunaloa Highway.

The five brush fires were about 200 to 300 yards apart.

The first fire was reported at 5:47 p.m. near the Seventh Day Adventist Church, across of Ulili Street.

Fire crews encountered four other brush fires along the east side of Maunaloa Highway, with the fifth fire located about one mile up the highway near Kamakou Forest Preserve Road.

The largest of the fires burned an area 20 feet by 50 feet.

Two of the fires were brought under control by passing motorists.

All five fires were extinguished at around 6:30 p.m.