The Tian Mingjian incident was an act of spree killing that occurred on September 20, 1994 in Beijing, China, when a People's Liberation Army officer First Lieutenant Tian Mingjian (Chinese: 田明建) killed and injured several people at his military base in Tongxian County and afterwards drove towards Jianguomen, where he continued his shooting spree and indiscriminately fired at people in the streets. Dozens were killed or wounded, including an Iranian diplomat and his son who was driving nearby, before Lt. Tian was finally shot dead by a police sniper.