PLEASE NOTE: EDIT CONTAINS CONVERTED 4:3 MATERIAL
Thai search teams began looking for 21-year-old American tourist Joshua Shane on Tuesday night.
He vanished during a late-night swim on the island of Phuket.
The university student from Arizona's feared to have drowned.
Shane disappeared during the swim with four other friends on Patong beach.
Local media said on Thursday a body had been found but wasn't immediately identified.
Paul Chapman, Reuters