Navy helicopter crashes off San Diego coast

A U.S. Navy helicopter crashed Tuesday afternoon off the coast of San Diego. "An MH-60S helicopter embarked aboard USS Abraham Lincoln (CVN 72) crashed into the sea while conducting routine flight operations approximately 60 nautical miles off the coast of San Diego at 4:30 p.m. PST, Aug. 31," the Navy's 3rd Fleet said in a statement. It is unclear how many people were on board and whether there were any casualties. The Coast Guard and Navy were conducting search and rescue operations by sea and air.