The California Highway Patrol is investigating a double fatal accident. It happened in Cottonwood on Highway 36 near Bowmen road just before 7 p.m. Monday. According to the CHP website pigs were loose on the roadway after apparently escaping a nearby enclosure. The car ran into the pigs then slammed into a tree. Two people were in the car and both were killed. No other cars were involved. Investigators are not releasing any information about the two people killed.