A 23-year-old man was seriously injured by a suspected shark bite at Oahu's Haleiwa Boat Harbor.

A 23-year-old man was seriously injured by an apparent shark bite to his arm at Haleiwa Boat Harbor on Oahu's North Shore around 1:40 p.m. Honolulu Emergency Medical Services provided advanced life support and transported him to the hospital in serious condition. Witnesses said the incident occurred offshore. Details are still emerging.