Beijing CNN  — 

Beijing’s leading drug enforcement body has blamed the legalization of marijuana in Canada and parts of the United States for a spike in the amount of drugs smuggled into the country, describing it as a “new threat to China.”

At a press conference in Beijing Monday, Liu Yuejin, deputy director of the China National Narcotics Control Commission, said that the number of cannabis users in China had grown by more than 25% in 2018, rising to about 24,000 people.

Liu Yuejin, deputy director of the China National Narcotics Control Commission, at a press conference on Monday June 17.

“In two years, we have found increasing cannabis trafficked from North America to China,” he said, though he conceded there were “few cannabis abusers in China” relative to the total population.

According to Liu, China intercepted 115 packages sent through international postal parcels, containing a total of “55 kilograms (1940 ounces) of cannabis and cannabis products” in 2018.

Liu said that most of the suspects connected to the seized parcels had been foreign students or students who had come home after working abroad. He said most of the drugs had been transported through international express delivery. Liu did not specify how many of the packages came from North America.

China severely punishes those caught smuggling or trafficking drugs, including foreigners. Anyone found with more than 50 grams (1.76 ounces) of a controlled substance can face the death penalty.

China has stepped up its efforts to combat the sale of illegal drugs in recent years. Authorities in major cities, including Beijing, have been known to carry out spot drug tests at bars and nightclubs in a bid to clamp down on recreational drug use.

The move puts it at odds with North America, where cannabis has increasing levels of social acceptance.

The first marijuana dispensaries opened their doors in Canada in October 2018 after it became just the second country in the world to fully legalize the drug. South of the border, it is legal to buy and possess marijuana in 10 US states, while many others have decriminalized possession of the drug or legalized medical marijuana.

Cannabis isn’t the only drug which has caused divisions between the US and China. Washington has been trying for years to get Beijing to crack down on the country’s production and distribution of fentanyl, a deadly prescription drug which is devastating parts of the US.

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Fentanyl is about 50 to 100 times more potent than morphine and 30 to 50 times more potent than heroin. According to the US Center for Disease Control and Prevention, it was linked to one in four overdose deaths in the US in 2018.

US President Donald Trump has previously accused China of being behind the US opioid crisis, saying in August 2018 that fentanyl was “pouring into the US postal system.”

The Chinese government announced in April that it would crackdown on fentanyl-related substances in what was seen as a concession to the Trump administration, who had been pushing hard for greater enforcement.