Mexican Authorities Find 869-Foot Tunnel Under Property in Eastern Tijuana

Mexican authorities found an 869-foot underground tunnel about 21 feet deep in eastern Tijuana on Saturday. The tunnel sits about 21 feet below ground and was lined with wood.

U.S. Border. Officers executed a search warrant at a property in eastern Tijuana. They seized ammunition, cellphones, bank cards, a digital video recorder and dozens of doses of methamphetamine. Mexican authorities said evidence recovered at the site suggests the property may have been used as a logistical center for the storage and movement of narcotics, weapons and explosive materials.

The seized evidence and the property were transferred to federal prosecutors, who are continuing the investigation. Homeland Security Investigations confirmed that agents in San Diego are participating in an active probe involving the underground passage near Otay Mesa.

“Special Agents with Homeland Security Investigations (HSI) in San Diego, in coordination with our Homeland Security Task Force (HSTF) partners, are conducting a criminal enforcement operation involving a cross-border subterranean tunnel in Otay Mesa, CA,” a representative for Homeland Security Investigations told NBC 7.

Otay Mesa is a major border crossing area between Tijuana and San Diego. S. side, how long it may have been in operation, or whether any arrests have been made.