On 18 March 2015, three militants attacked the Bardo National Museum in the Tunisian capital city of Tunis, and took hostages. Twenty-one people, mostly European tourists, were killed at the scene, and an additional victim died ten days later. Around fifty others were injured. Two of the gunmen, Tunisian citizens Yassine Labidi and Saber Khachnaoui were killed by police. Police treated the event as a terrorist attack.