'Drug tunnel' discovered linking US and Mexico

A drug-smuggling tunnel equipped with electricity, ventilation and a rail system has been found connecting San Diego, California, and Tijuana, Mexico.

Authorities seized more than eight tons of marijuana and 147kg of cocaine in the discovery.

Officials have not revealed the exact length or location of the recently finished tunnel, but Mexican media report it is near Tijuana's airport.

More than 75 such secret tunnels have been discovered since 2008.

US Immigration and Customs Enforcement (ICE) announced the find on Thursday.

ICE described it as "a just completed, highly sophisticated underground passageway".