A vehicle inspected at the Douglas port of entry was found with marijuana, including in a speaker box. 

Courtesy U.S. Customs and Border Protection

Three people were arresed in two separate incidents Wednesday for attempting to smuggle marijuana through the Douglas port of entry.

Two 17-year-old girls were arrested after a narcotics dog alerted to drugs in an Audi sedan.

Officers found 21 packages of marijuana, weighing 33 pounds, hidden inside th vehicle's rear bumper and back seats, authorities said.

The teens — one a Douglas resident and the other a Mexican national — were turned over to authorities and the drugs, valued at an estimaed $17,000, and vehicle were seized.

In a second incident, officers arrested a 25-year-old Douglas man after a drug-detecting dog alerted to drugs throughout his Chevrolet coupe.

Officers seized 134 packaes of marijuana, weighing more than 195 pounds. The drugs were valued at nearly $88,000, said authorities.

Both the drugs and vehicle were seized. The men were turned over to federal authorities.