12/15/1997 AT 12:00 AM EST
Tennis star Anna Kournikova, 18, and her mother, Alla, caused problems aboard a March 19 American Airlines flight from Dallas to Miami, police said over the weekend. Kournikova refused to put her miniature Doberman pinscher in its carrying case during the trip, they said. Police greeted the Kournikovas when they landed, but by then the animal was back in its case. The FBI will decide whether or not charges should be filed.