The Heidelberg Tavern massacre occurred in Observatory, Cape Town on 30 December 1993. Three people associate the Azanian People's Liberation Army (APLA) entered the tavern and shot at the crowd. They killed four student and the owner of a restaurant which was close. The owner had gone outside to investigate, because he had heard gunshots. An unexploded bomb (with nails strapped to it) was found in the restaurant, close to the main entrance.