U.S. Customs and Border Protection agents have discovered and closed a tunnel carved into the ground between San Diego and Tijuana that stretched more than 1,000 feet into the United States, the agency announced Thursday

U.S. Customs and Border Protection agents have discovered and closed a tunnel carved into the ground between San Diego and Tijuana that stretched more than 1,000 feet into the…

The tunnel was just over half a mile long and extended more than 1,000 feet into U.S. territory, border officials said.