3 PM ET: King Charles surprises mourners, hurricane warning issued for Puerto Rico, Manhattan's first Latina postmaster & more

King Charles and Prince William surprise mourners waiting in line to see the Queen lying in state. Iran's Supreme Leader is seen at an event after rumors about poor health. A hurricane warning has been issued for Puerto Rico as tropical storm Fiona is expected to  strengthen before arriving on the island Sunday. The US Postal service has named Manhattan's first Latina postmaster. A new genetically modified purple tomato could arrive at American grocery stores next year. To learn more about how CNN protects listener privacy, visit cnn.com/privacy