The U.S. Coast Guard says a Navy helicopter with five people aboard has crashed into the ocean off San Diego. Coast Guard Petty Officer Henry Dunphy says the Navy reported the crash of the HH60 Seahawk helicopter shortly before midnight Tuesday. Dunphy says Coast Guard helicopters and boats along with harbor police are searching for survivors in the area 13 miles (21 kilometers) south of San Diego near the Coronado Islands. There's no word on whether any wreckage or survivors have been discovered, Associated Press reported.