A Canadian scuba diver has been arrested by U.S. authorities after swimming across the St. Clair River with about 3.6 kilograms of marijuana stuffed in a waterproofed piece of pipe.

A U.S. Customs and Border Protection spokesman said that a boater spotted a swimmer in the river around 1 a.m. on Monday. The boater contacted local police, saying they had spotted someone who appeared to be swimming toward the U.S. side of the river.

Full story: Scuba diver busted after trying to swim marijuana to U.S. – Canada – CBC News.