The Istanbul nightclub shooting was a mass shooting that occurred on 1 January 2017 around 01:15 local time, in which a terrorist shot and killed 39 people and wounded 79 others at the Reina nightclub in the Ortaköy neighborhood of Istanbul, Turkey, where hundreds had been celebrating New Year's Day. Uzbekistan-born Abdulkadir Masharipov was arrested in Istanbul on 17 January 2017. Islamic State claimed credit for his actions. The first hearing in the trial of Masharipov and 51 accused accomplices was held on 11 December 2017, and the next hearing was held on 26 March 2018.