US President Donald Trump has said he will follow through with his threat to hit imports from Canada and Mexico with 25% border taxes, known as tariffs, on 1 February. But he added that a decision about whether this would include oil from those countries has not yet been made.

Trump initially threatened 25% tariffs against Canada and Mexico in November, but that was initially assumed to be a bargaining tactic and the leaders of both countries rushed to assure him they would beef up border security.