A Florida pizza delivery worker was so angry over a tip she got from a customer that she stabbed the woman multiple times, according to police. Brianna Alvelo, 22, got ticked off Sunday after dropping off a pie at the Riviera Motel in Kissimmee when the customer gave her a stingy tip — so she returned with a pal and stabbed the woman, the Osceola County Sheriff’s Office said in a press release posted on Facebook. “Alvelo, who was armed with a knife, began attacking one of the victims,” the sheriff’s office said. “The victim was stabbed multiple times, and...