A 68-year-old woman suffered an apparent shark bite on Saturday morning about 500 yards off Anaeho`omalu Bay.
Hawai`i County Fire Department rescue crews arrived on the scene shortly after 8 a.m. Crews found that good samaritans had helped the women to the shoreline.
Officials say the women suffered serious injuries to her lower right leg.
She was treated on scene and transported to an area hospital. No other details were immediately available.