SAN DIEGO ( — A sophisticated, secret drug tunnel has been uncovered along the San Diego-Tijuana border, U.S. officials said Thursday.

KNX 1070’s Tom Reopelle reports three suspects face federal charges following the joint task force operation in Otay Mesa.

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Agents with the U.S. Immigration and Customs Enforcement’s (ICE) Homeland Security Investigations (HSI), U.S. Attorney’s Office, U.S. Border Patrol, Drug Enforcement Administration (DEA), U.S. Customs and Border Protection (CBP) joined with the San Diego and Chula Vista police departments to shut down the massive cross-border drug tunnel Wednesday night, officials said.

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The passageway, which linked warehouses in the Otay Mesa industrial park and Tijuana, Mexico, is equipped with electricity, ventilation and a rail system, according to officials.

In related enforcement actions, San Diego Tunnel Task Force agents and local authorities seized more than eight tons of marijuana and 325 pounds of cocaine, marking the first time cocaine has recovered in connection with a local drug tunnel, officials said.

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Three suspects were taken into custody on federal charges following the operation, but no additional details were provided.