President Donald Trump's administration slapped sanctions on Venezuela's Vice President Tareck El Aissami on Monday under the Foreign Narcotics Kingpin Designation Act for allegedly playing a role in international drug trafficking.
The announcement, which was made on the Treasury Department's website, will likely heighten tensions between the U.S. and Venezuela.
El Aissami's U.S. assets were frozen and he will be barred from entering the country as part of the sanctions.
The U.S. government is also sanctioning Venezuelan businessman, Samark Lopez, who is believed to be El Aissami's main front man. Because of that action, 13 companies owned by Lopez will be blocked.
El Aissami has yet to react to the sanctions, but has previously denied any criminal ties.
This move comes just a week after a bipartisan group of U.S. lawmakers sent a letter urging Trump to put pressure on Venezuela's government.
In particular, the letter called for sanctioning top Venezuelan officials for corruption and human rights abuses. El Aissami, 42, has been under investigation for years, particularly after he served as the country's interior minister and fraudulent passports ended up in the hands of alleged members of Hezbollah.
A former Obama administration official said the sanctions were months in the making.
"This was an overdue step to ratchet up pressure on the Venezuelan regime and signal that top officials will suffer consequences if they continue to engage in massive corruption, abuse human rights and dismantle democracy," said Mark Feierstein, who served as Obama's top national security adviser on Latin America.
The Associated Press contributed to this report.
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