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U.S. Coast Guard boats patrol Boston Harbor on January 6, 2015 in Boston, Massachusetts.
The U.S. Coast Guard is investigating a potential threat aboard the container ship, Maersk Memphis, at the Port of Charleston in South Carolina, authorities said Thursday.
“The Maersk Memphis is currently moored at Charleston’s Wando terminal, which has been evacuated while law enforcement units from federal, state and local law enforcement agencies investigate the threat,” the Coast Guard said in a statement.
A one nautical mile safety zone has been established around the vessel, the U.S. Coast Guard Southeast said on its Twitter account.