LAMAR, Mo. — An 18-year-old was killed and two other teenagers injured in a crash in rural Barton County, Missouri, early Sunday morning, according to the Missouri State Highway Patrol. The crash occurred at about 1:45 a.m. on Route V, about ten miles northwest of Lamar, when a 2008 Chevrolet Impala driven by 18-year-old Benjamin Harrington of Lamar ran off the left side of the roadway, struck a bluff, and overturned, according to the MSHP crash report.