Food Safety Report: Pret A Manger, London Bridge Station, Saint Thomas Street, Railway Approach, London, UK 3 years ago • details 81 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Chills Suspected source: Yogurt, salmon roll Onset: 4 to 12 hours Duration: 12 to 24 hours Sick: Me