President Trump on Thursday threatened to impose tariffs on wines, Champagnes and other alcoholic products imported to the U.S. from France and other European countries in response to raised tariffs the European Union placed on American whiskey.

Industry representatives warned that a 200 percent tax on European wines and spirits would halt shipments to the United States and wipe €4 billion off France’s trade balance.

In a social media post Thursday morning, President Donald Trump threatened to impose a major tariff on France and other European countries in response to a 50% retaliatory tariff on American whiskey.