Canada’s prime minister has said the era of deep ties with the US “is over”, as governments from Tokyo to Berlin to Paris sharply criticised Donald Trump’s sweeping tariffs on car imports, with some threatening retaliatory action. Mark Carney warned Canadians that Trump had permanently altered relations and that, regardless of any future trade deals, there would be “no turning back”. He told reporters: “The old relationship we had with the United States based on deepening integration of our economies and tight security and military cooperation is over.” The prime minister called Trump’s car tariffs “unjustified”, and said they were