Missouri's Highway Patrol has warned officers to be cautious of trucks carrying hazardous materials. Sara Lasure has the story from Jefferson City.
Security is increasing throughout the country from the airports to the roads.
In Missouri the State Highway Patrol is increasing security measures on the highways. Officers have been alerted to notice trucks trasporting hazardous materials that may look suspicious.
Lt Tim Hull
Lt Hull says that no checkpoints have been established yet but trucks carrying hazardous material are being inspected.