A 78-year-old lobsterman died, apparently after setting off from North Haven on Friday, the Maine Marine Patrol said.

The patrol got a report around 3:15 p.m. that a lobster boat was going in circles near Owls Head Light, south of Rockland Harbor, said Jeff Nichols of the Maine Department of Marine Resources.

The Marine Patrol and the Coast Guard responded and saw an unconscious man aboard.

Nichols said it took several attempts to get someone aboard the boat, which was in 3- to 4-foot seas and 20-knot winds. After Sgt. Matt Talbot maneuvered a Marine Patrol vessel alongside the lobster boat, Spc. Corrie Roberts jumped aboard and took control of the boat. Then some of the Coast Guard crew boarded and tried to revive the man, Robert Staples of North Haven, while the boat headed for Rockland Harbor.

Rockland ambulance workers also were unsuccessful in their attempts to revive Staples.

Nichols said the state medical examiner has determined that Staples died of natural causes.

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