The Coast Guard is searching for a possible missing person in the water on Block Island, Rhode Island.
They launched the search after a report of an unmanned dinghy making circles in Great Salt Pond around 1 a.m. Monday.
The Block Island harbormaster stopped the dinghy and found no one aboard.
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Officials contacted the owner, who is safe and said the dinghy was moored at the pier Sunday afternoon.
So far a search for a different operator has come up empty.
Anyone with information is asked to contact Sector Southeastern New England at 508-457-3211.