UPSALA — A 64-year-old Holdingford man was injured Wednesday, May 6, after the trench he was working in collapsed in Morrison County. The Morrison County Sheriff’s Office responded to the incident at 6:56 p.m. at a residence off of 70th Avenue, in Elmdale Township, approximately 3 miles east of Upsala. According to a news release from the sheriff's office, Andrew Langner entered a trench to cut a waterline when a side wall collapsed, trapping hi…