Tensions have risen between two nations, prompting a response from Canada. Retaliatory tariffs against the United States will be announced by Canada on Tuesday. This move comes after a significant decline in relations on Monday.

Further details about the tariffs and the current state of relations are available from the source. The decision to impose tariffs is a reaction to recent developments, but specific details about the tariffs themselves have not been provided here. The announcement is set to take place on Tuesday, following a sharp deterioration in relations between the two countries on Monday.