Tbilisi events or the Tragedy of April 8 imply a special operation to disperse an unauthorized opposition rally near the Government House of the Georgian SSR in Tbilisi in the early hours of April 9, 1989. The operation involved units of the Soviet Interior Ministry's troops and the Soviet Army. In all, 18 people were killed while clashing with government forces, and over 200 more were injured. Photo: Tbilisi residents on city streets.