MIAMI (CBSMiami/CNN) – The US Coast Guard continues to look for 10 people that went missing Friday near Key West.

The search involves a “6-foot makeshift vessel” that went missing off the coast of Key West, the Coast Guard said. The vessel departed Havana, Cuba, on Friday with 10 people on board.

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The vessel was spotted by an individual near Key West on Sunday, according to a tweet from the Seventh District. It was located about eight miles south of Long Key and the search is ongoing for the 10 missing people, the Coast Guard said.

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The agency told CNN it’s unclear why the vessel went missing. The Coast Guard has deployed search planes and multiple boats to search for survivors.

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