A gunman sporting a rifle and body armour opened fire in a supermarket in Buffalo, New York, killing at least 10 people before being taken into custody Saturday afternoon, law enforcement officials toldThe Associated Press. Details on the number of additional people shot at the Tops Friendly Market and their conditions weren’t immediately available. The two officials were not permitted to speak publicly on the matter and did so on the condition of anonymity. Investigators believe the man may have been livestreaming the shooting and were looking into whether he had posted a manifesto online, th…