GEORGE TOWN, Cayman Islands (AP) — Authorities in the Cayman Islands say a missing diver from North Carolina is presumed dead but they are still searching for his body.

Police say David Byles of Pinehurst, North Carolina, was last seen Sunday during an organized dive at Barracuda Wall off Grand Cayman’s Seven Mile Beach. The 57-year-old tourist disappeared while he swam back to the dive boat with his wife.