President Donald Trump ceased trade talks with Canada and will soon announce a new tariff rate the country will have to pay, he said in a Truth Social post on Friday.

Trump’s decision is the latest blow to an already strained relationship between the bordering nations. Trump has said the U.S. should annex Canada to improve trade relations and security. Recently elected Canadian Prime Minister Mark Carney has staked his political reputation on pushing back. He has said Canada isn’t for sale.

The president says he’s immediately suspending trade talks with our neighbor to the north over its plans to continue with its tax on digital services.