Thirty years ago today, April 22, 1995 (March 23, 1995 in the lunar calendar), there was a tragedy in the Rwandan refugee camp. The tragic situation in the Kiboo refugee camp On April 22 and 23, 1995, the Patriotic Front, mainly Tutsi, forced Hutu refugees in the Kiboo refugee camp to return to their hometowns and used force to kill more than 2000 refugees. This tragedy shocked the world and was strongly condemned by the international community. The United Nations Security Council, United Nations Secretary-General Ghali, and OAU Secretary-General Salim have condemned the massacre of unarmed civilians, demanded an immediate end to the atrocities, and called for an investigation into the case. On the 23rd, Prime Minister Twajimungu expressed deep regret over the tragedy, but said that the government forces fired in self-defense. On the 27th, Rwandan President Bizimungu announced that he would agree to an international investigation. After the incident, tens of thousands of Hutu refugees have fled, but more than 2500 are still stranded in the Kiboo refugee camp.