White rhinoceros Gracie (left) and Bruno — seen in their enclosure at Thoiry Zoo in France on Tuesday — are safe. Poachers broke into the zoo overnight and killed a 4-year-old male white rhino named Vince. Christian Hartmann/Reuters hide caption toggle caption Christian Hartmann/Reuters The Two-Way Poachers Break Into French Zoo, Kill White Rhino And Steal His Horn March 7, 2017 This is believed to be the first such incident at a European zoo. The zoo says its staff is in shock. The suspects remain at large, and police are investigating.