A trade rift has deepened, prompting retaliatory measures. Tariffs worth $27.6 billion have taken effect.

Duties on certain products from the U.S. have increased. Steel and aluminum products are now subject to a 50% duty, double the previous rate.

A war of words is ongoing between Washington and Ottawa, with further details available from the source. The situation involves trade tensions and retaliatory actions, with the tariffs being a key part of the response.