MRTA attack on Chupaca police post
Approximately sixty MRTA members attacked the Chupaca police post on April 27, 1990, in what was their last major action in the Mantaro valley. The attack lasted two hours and the MRTA suffered two casualties.
On April 27, 1990, approximately sixty MRTA members attacked the police post in the district of Chupaca, located 12 kilometers away. This was the last major MRTA action in the Mantaro Valley. The attack lasted two hours, after which the attackers withdrew, suffering two casualties. This action took place a year after the Molinos events, when the MRTA had managed to reorganize its forces in the region.