(Narragansett, RI) -- The Coast Guard is suspending its search for two missing fishermen near Block Island. The stoppage came at around 5:15 p.m. Wednesday. The two individuals, identified in media reports as boat owner Oscar Diaz and his nephew John Ansay, have been missing since the "Mistress" capsized and sank Tuesday morning; one individual was rescued by another fishing boat that initially responded to the scene. The Coast Guard says crews searched for 72 hours covering over 21-hundred square nautical miles.