WELLSVILLE, KAN - Two men are in jail after a tractor-trailer carrying what police say was a mobile meth lab was busted in Wellsville, Kansas Thursday evening.

According to the Wellsville Police Department, the vehicle was pulled over on a routine traffic stop when officers discovered that one of the occupants had an outstanding arrest warrant. A search of the truck uncovered the methamphetamine making materials.

The two men, who have not yet been identified, are in custody at the Franklin County jail.