Hong Kong authorities have said they may take legal action against a major bakery chain after a government laboratory confirmed that a foreign object found in its toast was a tooth. The case came to light in December when a customer reported finding what appeared to be a decayed tooth inside a “Rich Milk Toast” bought from a Maxim’s Cakes branch in Sai Wan Ho. The customer described the discovery as “disgusting” in a social media post and said a family member had vomited repeatedly in...