INDIANTOWN, Fla. (CBS12) — Martin County Fire Rescue quickly extinguished an almost 40-acre brush fire Friday afternoon.

According to MCFR, the fire started just before 3:30 p.m. near Southwest Warfield Boulevard in Indiantown. Firefighters said the fire grew to about 37.8 acres before it was extinguished.

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MCFR said no one was injured and no structures were threatened. The Florida Forest Service (FFS) also responded and helped battle the flames by creating plow lines in the area.

Martin County Fire Rescue used its drone team to identify hotspots and ensure full containment of the fire before clearing the scene.

The cause of the fire is unknown, but officials said it may have been sparked by a lightning strike.

FFS will investigate the cause further, MCFR said.