US discovers major drug tunnel to Mexico

U.S. agents have discovered a tunnel used to smuggle drugs between the United States and Mexico that spans half a mile.

The entrance was hidden under a huge dumpster.

The tunnel starts in San Diego and ends in Tijuana, Mexico.

It stretches for half a mile.

U.S. agents say it was used to smuggle drugs.

They seized a record amount of cocaine and marijuana.

Three men were arrested.