Suspected smugglers propped up a ramp along the border , officials say . The truck they were driving got stuck and was left stranded atop the ramp . The drivers fled into Mexico , the U.S. Border Patrol says .
Suspected smugglers propped up a ramp along the border , officials say . The Jeep they were driving got stuck and was left teetering atop the fence . The drivers fled into Mexico , the U.S. Border Patrol says .