ALAMEDA — A 73-year old male kite surfer died Friday afternoon after being dragged ashore at Crown Memorial State Beach in Alameda, authorities said.

Firefighters went to the beach about 4:25 p.m. for a report of two kite surfers in distress, said Alameda fire Capt. James Colburn. As it turned out, one was pulling the other to the shore.

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The kite surfer who was dragged ashore was unresponsive, and a bystander gave him CPR until firefighters arrived at the scene, Colburn said. He was then rushed to a hospital, where he later died.

The deceased kite surfer has been identified as Andres Caicedo, of Walnut Creek, according to the Alameda County Coroner’s Office.

Dave Mason, a spokesman for the East Bay Regional Park District, said there were no obvious signs of trauma or an accident.

“It’s possible he could have experienced some kind of medical emergency,” Mason said.

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The Alameda and East Bay Regional Park District police departments are jointly investigating the death.