Two Las Vegas residents were arrested in Andrew County after authorities reportedly discovered a pound of methamphetamine during a traffic stop on Interstate 29.

The Missouri State Highway Patrol says a K-9 officer alerted to the vehicle during the stop around 9:30 on Monday morning.

31-year-old Jeff E. Hart and 39-year-old Omar M. Chapman were arrested and taken to the Andrew County Sheriff's Office in Savannah, Missouri.