Authorities said the tunnel is supported by wooden beams, equipped with electricity and has a ventilation system.

A tunnel along the border wall in Texas, going from Mexico into the U.S. and believed to have been used by smugglers, was discovered last week.

U.S. Border Patrol agents have discovered a manmade tunnel that crosses the Texas-Mexico border. It was found in a storm drain and leads to Ciudad Juarez.

A man-made smuggling tunnel has been discovered in El Paso, Texas last week. Federal agents from the U.S. Border Patrol and Homeland Security found the cross tunnel from Mexico on Thursday. The discovery came upon an inspection of a Mexican storm drain to El Paso's storm drain system.