A North Mankato man was killed in an accident near Clarksville, Tennessee Saturday night. WKRN television in Nashville says 32-year-old Noor Shakul died of injuries in the accident which closed a portion of Interstate 24 for more than 12 hours. The Tennessee Highway Patrol said Shakul’s tractor-trailer went off the side of the roadway, swerved to miss a guardrail and rolled one hundred feet down an embankment. A passenger in the tractor-trailer was not injured.