President Trump said Friday he will impose an additional 100% tariff on imports from China starting next month, citing new Chinese export controls — marking a significant escalation in the U.S.-China trade war.

The new 100% tariffs will add on to any existing import taxes on Chinese goods, the president wrote in a Truth Social post. Tariffs on Chinese imports currently stand at 30% . Mr. Trump said the U.S. will also impose export controls on "any and all critical software" starting next month.

The tariffs could be imposed on Nov. 1 or sooner, "depending on any further actions or changes taken by China," Mr. Trump said.

On Sunday, China signaled that it would not back down in the face of the tariff threat and urged the U.S. to resolve differences through negotiations instead of th

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