Emergency responders assist a teenage girl at the scene of a shark attack in Oak Island, N.C., Sunday, June 14, 2015. Mayor Betty Wallace of Oak Island, a seaside town bordered to the south by the Atlantic Ocean, said that hours after the teenage girl suffered severe injuries in a shark attack Sunday a teenage boy was also severely injured. (Steve Bouser/The Pilot, Southern Pines, N.C. via AP)

Officials: Shark attack victims were in waist-deep water

A 12-year-old girl was attacked just after 4 p.m. Sunday in Oak Island, and a 16-year-old boy was attacked less than two hours later about two miles away. The girl lost part of her arm and suffered a leg injury. The boy lost his left arm.