Solana Beach shark attack

Dozens of friends of Dave Martin, 66, watch as his name is etched in the sand at Fletcher Cove in Solana Beach, near where he was fatally injured by a shark earlier in the morning.  (Robert Gauthier / Los Angeles Times)

Jenny Campbell of Lake Elsinore places flowers on the beach at Fletcher Cove, near where her friend Dave Martin died in a shark attack earlier in the morning. Campbell and Martin were triathlete teammates in the 1,200-member San Diego Triathlete Club.  (Robert Gauthier / Los Angeles Times)

Dozens of friends of Dave Martin, 66, gather to say goodbye as the sun sets at Fletcher Cove in Solana Beach near where he was fatally injured by a shark earlier in the morning.  (Robert Gauthier / Los Angeles Times)

An unidentified relative of a 66-year-old man who died in a shark attack this morning is comforted by San Diego County Sheriff’s Deputy Joe Mendoza, right, at Fletcher Cove in Solana Beach.   (Denis Poroy / Associated Press)

County police and fire personnel escort family members of Dave Martilnl, who was killed in a shark attack off Solana Beach.  (Luis Sinco / Los Angeles Times)

Relatives of Dave Martin, the San Diego County man killed in the shark attack, gather at a lifeguard station in Solana Beach.  (Luis Sinco / Los Angeles Times)

Two women console one another after viewing the body of Dave Martin, the 66-year-old swimmer who was killed by a shark.  (Sandy Huffaker / Associated Press)

County personnel escort family members of a man who was killed in a shark attack off Solana Beach.  (Luis Sinco / Los Angeles Times)

County coroner personnel prepare to transport the body of Dave Martin, the swimmer killed in the Solana Beach shark attack.  (Luis Sinco / Los Angeles Times)

A Coast Guard helicopter hovers above Solana Beach after the shark attack.  (Luis Sinco / Los Angeles Times)

Solana Beach lifeguard Brett Jones loads a beach closure sign after the shark attack. The San Diego County Sheriff’s Department ordered 5 to 8 miles of beach closed.  (Denis Poroy / Associated Press)

A warning sign is posted near where swimmer Dave Martin was killed by a shark off Solana Beach. Some beaches were closed while San Diego County sheriff’s helicopters searched for the shark, believed to be a great white.  (Sandy Huffaker / Associated Press)

Onlookers gather on a platform above Solana Beach, site of the first fatal shark attack in San Diego County since 1959.  (Luis Sinco / Los Angeles Times)

A Solana Beach lifeguard patrols the area of beach near the site of the fatal shark attack.  (Denis Poroy / Associated Press)

Solana Beach lifeguard Brett Jones, left, makes a radio call as a U.S. Coast Guard helicopter flies above Fletcher Cove in Solana Beach.  (Denis Poroy / Associated Press)

The curious gather above Solana Beach, site of the fatal shark attack. Several miles of beach were closed as authorities worked to determine whether any sharks remained in the water.  (Luis Sinco / Los Angeles Times)

Solana Beach Deputy Fire Chief Dismas Abelman, left, talks about the shark attack at a news conference at Fletcher Cove. The victim, 66-year-old Dave Martin, was training in the ocean with a group of triathletes, authorities said.  (Denis Poroy / Associated Press)