Six people, including two police officers, were killed in a collision between a truck and a police barrier in southern Spain early Tuesday, according to the regional government, which suggested the incident may have been an accident. Three other people were injured in the crash, according to the same source. The incident occurred around 4:30 AM (03:30 UTC) on a highway near the town of Los Palacios in the Seville region, as stated in a release from the regional government.