Trump says any country doing business with Iran will be hit with a 25% tariff

Trump said he'll impose a tariff of 25% on countries that do business with Iran.

SAUL LOEB/AFP/Getty Images

• President Donald Trump said he's imposing a 25% tariff against countries that "do business" with Iran.
• Details about how the tariff would be implemented were not immediately clear.
• Iran is currently experiencing mass protests against its government.

President Donald Trump said Monday that he'll impose a tariff of 25% on any country that does business with Iran.