A pizza delivery worker, upset over a tip, allegedly repeatedly stabbed a pregnant woman at a Florida motel, a sheriff's office says.

A mom shielded her 5-year-old daughter as a pizza delivery driver mad about a tip from earlier stabbed the woman more than a dozen times, Florida authorities said. The mom, who was pregnant, underwent surgery for a ruptured lung but survived the attack, the Osceola County Sheriff’s Office said in a Dec. 25 Facebook post.

Pizza delivery driver Brianna Alvelo, 22, was charged with stabbing a pregnant customer multiple times over a tip, authorities and reports say.