The US president says "Numerous European countries" have been discussing bringing in such a levy.

The threat comes a day after the European Union approved tariff reductions on U.S. goods.

United States President Donald Trump has vowed to hit countries with a 100 per cent tariff should they impose a digital services tax (DST) on American companies.

The president claimed the tariffs would override a trade deal with the European Union, which European officials finalized just days ago.

A year ago, when President Donald Trump threatened sky-high tariffs on nearly everything coming from everywhere, global markets trembled and foreign leaders scrambled. Now the same threat barely ...

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Donald Trump has threatened to impose 100% tariffs on any country that imposes a specific tax on U.S. companies.

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Donald Trump threatened a 100% tariff on European countries that impose a digital services tax, as the president once again came to the defense of American tech giants that have opposed the levies. It ...

President Donald Trump on Friday threatened a 100% tax on imports from any country that imposes a tax on digital services from United States companies. Related video above: The impact of Trump's ...