text: left-wing political organizations, since 79 members of the Patriotic Union were assassinated during the first Quarter. 7. The Urabá region was most affected bv this wave of assassinations, before and after the legislative and municipal elections of 11 March 1990. 8. Bv way of example, at Apartado on 26 Februarv 1990, Mrs. Diana Cardona Saldarriaga, the mayor of the town, was assassinated bv killers posing as bodyguards of the Administrative Security Department (DAS). Subsequently, on 19 March in the same town, six militants of the Patriotic Union were murdered in a cafeteria. On 27 March an attack was made on the Judiciarv Police Commission investigating the massacre. At Chigorodo, a small town situated 30 km from Apartado, five members of the Patriotic Union and the Popular Front were abducted and then murdered on 28 March. 9. In other regions, the abduction and subsequent murder of rural trade unionists of the ATCC (Association of Peasant Workers of the Carare) and of a iournalist, Silvia Margarita Duzan, who was murdered on 26 February 1990 by MAS, a paramilitarv group of the extreme right have been reported. The Workers' Trade Union of Santander has denounced the murder of six members of the Union of the Indupalma enterprise since the beginning of the vear. 10. IFHR also possesses a great deal of data which point to some complicity on the part of military or police personnel with paramilitary groups, including those controlled bv Fidel Castaro, the successor to Gonzalo Rodriguez Gacha, who was killed on 15 December 1989. For example, at Urabá when 43 peasant sympathizers of the Popular Front were abducted on 14 January 1990, it was noted by the Colombian Human Rights Commission that the paramilitary group commanded by Fidel Castaro was obliged to pass through a military checkpoint installed on the only communication road leading to 
analysis: The text describes a wave of assassinations and abductions in Colombia, targeting left-wing political organizations and individuals, including trade unionists, a journalist, and a mayor. The events are linked to the Patriotic Union and the Popular Front, and mention the involvement of paramilitary groups and military personnel. The text does not discuss economic development, natural resources, or environmental issues, but rather focuses on political violence and human rights violations.