Huanggutun Incident (Chinese: 皇姑屯事件; Japanese: Zhang Zuolin Assassination Incident (張作霖爆殺事件, Chosakurin bakusatsu jiken)) was an assassination plotted by the Japanese Kwantung Army that targeted Fengtian warlord Zhang Zuolin. It took place on June 4, 1928 at Huanggutun Railway Station near Shenyang in which Zhang's train was destroyed by an explosion.