Updated

U.S. Customs and Border Protection officials discovered 13,700 pounds of marijuana hidden among bell peppers in a semi-tractor trailer at the U.S.-Mexico border on Saturday.

The marijuana, believed to be worth an estimated $6.8 million, was uncovered after the trailer truck underwent an inspection at the Mariposa Commercial Facility in Nogales, Arizona.

In a separate incident in Nogales on May 13, officers discovered more than 34 pounds of cocaine in the back seat of a truck. The drug was worth an estimated $386,000, officials said. Officers arrested the driver, a 29-year-old Mexican man.

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The driver of the big rig holding the marijuana, described by officials as a 46-year-old Mexican man, was also arrested according to the Tucson Sentinel

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The two men, drugs and vehicles are in the custody of the U.S. Immigration and Customs Enforcement’s Homeland Security Investigations.

The Associated Press contributed to this report.