NOGALES, Ariz. (AP) -- Federal authorities say they've shut down a drug-smuggling tunnel discovered in a backyard shed in southern Arizona.
Members of the Nogales Tunnel Task Force developed information that a drug-smuggling tunnel was located at a Nogales house about 1 1/2 miles north of the international border.
Authorities discovered the tunnel entrance in a backyard shed.
U.S. Immigration and Customs Enforcement officials say the crude, hand-dug tunnel was approximately 52 feet long and roughly 2 feet wide by 3 feet tall with some wood shoring.
The tunnel ran from the shed to a underground sewage line that ultimately crosses the international boundary.
No people or drugs were found inside the passageway. Authorities seized eight pounds of white heroin, three pounds of marijuana and more than $1,400 in cash from inside the house.