NewsweekPrince Harry and Meghan Markle in Anthrax Scare as Couple Are Sent Racist Letter With White PowderNewsweekA letter containing white powder sent to Britain's Prince Harry and fiancé Meghan Markle has sparked an anthrax scare. The letter, which is also believed to have contained a racist message, prompted a security scare when it was sent to the Kensington ...Meghan Markle, Prince Harry face anthrax scare as white powder sent to St.