Foreigners who use marijuana legally in Canada can be banned from entering the U.S. for smoking a single joint, a top border official said Tuesday, on the eve of Canada allowing the drug’s recreational use.

Outlining broad discretion for border agents, U.S. Customs and Border Protection executive assistant commissioner Todd Owen said that smoking marijuana could result in being excluded from this country.

Recommended Stories

National Guard’s border deployment led to 23,034 arrests, 35,000 pounds of drugs seized

Smugglers along California border abandon drug-running as migrants become more profitable

Drug smugglers’ tunnel ran 600 feet from Mexico to KFC in Arizona