Authorities in Quang Nam Province said 91 people, including 34 foreign tourists, have suffered food poisoning after eating banh mi at Ms. Phuong, a famous Hoi An eatery.
Source: VNExpress International,
https://e.vnexpress.net/news/food/34-foreign-tourists-in-hospital-after-eating-renowned-hoi-an-banh-mi-are-stable-4653041.html