 Video shows police officers at the scene of a deadly attack on a party in Mexico on December 17, which left 12 people dead. The attack took place at dawn in the town of Salvatierra when an armed group opened fire on partygoers attending a Posada, a traditional Mexican party held in the days leading up to Christmas. According to local media, the state's Attorney General office said on X, formerly Twitter, that 12 people had been killed without giving any more details, Guanajuato, home to A. A significant number of automotive and aeronautics factories has in recent years become one of the most violent states in the country, amid clashes between powerful drug trafficking groups. Video shows police officers at the scene of a deadly attack on a party in Mexico on the day of a deadly attack on a party in Mexico on the day of a deadly attack on a party in Mexico on the day of a deadly attack on a party in Mexico on the day of a deadly attack