Cruise ships are docked at PortMiami on Tuesday. The U.S. Coast Guard has been working with cruise companies to bring people off of ships stricken with the coronavirus — but a new bulletin also says foreign-flagged ships should not rely on U.S. help.

Cruise ships are docked at PortMiami on Tuesday. The U.S. Coast Guard has been working with cruise companies to bring people off of ships stricken with the coronavirus — but a new bulletin also says foreign-flagged ships should not rely on U.S. help.