5 hours ago Imogen James and Claire Quinn EPA/Shutterstock Some passengers have disembarked from a cruise ship after being held in France following a norovirus outbreak. More than 1,000 passengers on the Ambition, operated by Ambassador Cruise Line, were held in Bordeaux after 49 people fell ill from gastrointestinal sickness. French authorities said passengers showing no symptoms are allowed to leave the ship, with the company adding normal operations would continue including shore excursions. Isolation guidelines will continue for those affected, "along with reinforced preventative measures and hygiene protocols on board", French authorities added. In an update on Wednesday evening, health authorities in Bordeaux said results of samples taken confirm an outbreak of norovirus, which is transmitted from person to person or through the environment. No serious cases have been reported.…