Agents seize over 1650 pounds of pot at Michigan-Canada border

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More than 1,650 pounds of marijuana were seized during truck inspections by U.S. Customs and Border Protection officers at the Blue Water Bridge in Port Huron over the past few weeks, according to officials.

The first seizure was on Aug. 28, when officers ordered a tractor trailer carrying Canadian bulk mail receive a second inspection. A CBP canine alerted officers to multiple packages in the shipment. Officers found 14 packages of marijuana hidden in the trailer that weighed more than 300 lbs.

Over the next 10 days, St. Clair County Sheriff's Office and Homeland Security Investigations combined efforts and the CBP developed targeted searches. Officials were able to find another 1,300 lbs worth of hidden packages in vehicles.

"This is outstanding work by the officers here in Port Huron," said Area Port Director Michael Fox said in a release. "Using the mail system to ship illegal drugs is nothing new to CBP. We will continue to thwart all attempts to smuggle illegal drugs through the mail system."

Police say the marijuana will be destroyed at a later date while the drivers -- all Canadian citizens -- were released.