The 1987 Lieyu massacre, also known as the March 7 Incident, Donggang Incident or Donggang Massacre, occurred on 7 March 1987 at Donggang Bay, Lieyu Island ("Lesser Kinmen" or "Little Quemoy"), Kinmen, Fujian, Republic of China. According to the diary of Superior-general Hau Pei-tsun, nineteen unarmed Vietnamese boat people were killed by the ROC military. There may have been more than nineteen deaths.