Eleven individuals became unwell on Saturday afternoon after participating in a water tasting during a tour of the Grolsch brewery in Enschede, Netherlands. Emergency services were called to the scene to assess and treat those affected. The exact cause of the illness is currently under investigation by the police, who are treating the incident as a potential case of contamination. Initial reports suggest the issue stemmed from the water used during the tasting portion of the brewery tour. Grolsch, located in Enschede, has cooperated fully with authorities, and the brewery tour has been temporarily suspended. Health officials are advising anyone who experienced similar symptoms after visiting the Grolsch brewery in Enschede to seek medical attention. Further updates will be provided as the investigation progresses.