Surfer Bitten by Shark in Hawaii

— -- A surfer was bitten by a shark in Hawaii, leaving him in critical condition, authorities said.

The attack happened just before 10:30 a.m. on Oahu's North Shore at a popular surfing area called "Leftovers."

Authorities believe a tiger shark was responsible for the attack on the 25-year-old victim's leg, according to Shayne Enright, PIO with Ocean Safety & Lifeguard Services, City and County of Honolulu.