POINTE A LA HACHE, La.—Plaquemines Parish sheriff's deputies are searching for a 70-year-old fisherman who was knocked overboard from his small boat as Tropical Storm Ida approached Monday.
Authorities say Leo Ancalade is presumed dead.
Ancalade's friends, Gerald and O.V. St. Ann, dove into the river in a failed rescue attempt.
A Coast Guard rescue boat and helicopter searched until sunset Monday.