Mauritius has denied a Norwegian cruise ship permission to dock at Port Louis over fears of a potential cholera outbreak on board.

A Norwegian cruise ship has been refused permission to dock in Mauritius’ capital city of Port Louis due to concerns about a possible cholera outbreak on board. Due to possible cholera, at least 15 passengers on the Norwegian Dawn were placed under quarantine. The ship was blocked, according to Mauritian authorities, “in order to avoid any health risks.”