France, March 14 -- US President Donald Trump has again turned to tariffs as a weapon in international trade disputes, this time threatening a hefty 200 percent levy on wine, champagne, and other alcoholic products from the European Union.

His latest salvo was a response to the European Union's unveiling of tariffs on $28 billion (€27 billion) in US goods, to be imposed in stages starting in April.

The EU measures - including a 50 percent tariff on American whiskey - were a tit-for-tat measure against Trump's levies on steel and aluminum imports that took effect Wednesday.

"If this tariff is not removed immediately, the US will shortly place a 200% tariff on all wines, champagnes and alcoholic products coming out of France and ot...