RedactedNarrative: Late Saturday afternoon the Norwalk Department of Police Service Marine Unit responded to a Sport Fishing boat that hit the rocks off of Green’s Ledge and Sheffield Island. Darien Police Marine Unit, the first boat on scene, rescued two males from Long Island. Westport and Stamford Police as well as the Norwalk Fire Department responded. The boat sank in five minutes but remained only partially submerged. There were no injuries.